diff --git a/Makefile.am b/Makefile.am
index f992c5ec..a1644f5f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -56,6 +56,7 @@ SOURCES=\
 	source/timings.c\
 	source/history.c\
 	source/theme.c\
+	source/rofi-types.c\
 	source/widgets/box.c\
 	source/widgets/container.c\
 	source/widgets/widget.c\
@@ -77,6 +78,7 @@ SOURCES=\
 	include/xcb.h\
 	include/xcb-internal.h\
 	include/rofi.h\
+	include/rofi-types.h\
 	include/mode.h\
 	include/mode-private.h\
 	include/settings.h\
@@ -306,6 +308,8 @@ helper_pidfile_SOURCES=\
 					   include/mode.h\
 					   include/mode-private.h\
 					   source/helper.c\
+					   source/rofi-types.c\
+					   include/rofi-types.h\
 					   include/helper.h\
 					   include/helper-theme.h\
 					   include/xrmoptions.h\
@@ -320,6 +324,8 @@ helper_tokenize_SOURCES=\
 					   include/mode.h\
 					   include/mode-private.h\
 					   source/helper.c\
+					   source/rofi-types.c\
+					   include/rofi-types.h\
 					   include/helper.h\
 					   include/helper-theme.h\
 					   include/xrmoptions.h\
@@ -332,6 +338,8 @@ widget_test_SOURCES=\
 			source/widgets/widget.c\
 			source/widgets/textbox.c\
 			source/theme.c\
+			source/rofi-types.c\
+			include/rofi-types.h\
 			source/css-colors.c\
 			source/helper.c\
 			config/config.c\
@@ -347,6 +355,8 @@ box_test_SOURCES=\
 			lexer/theme-parser.y\
 			lexer/theme-lexer.l\
 			source/theme.c\
+			source/rofi-types.c\
+			include/rofi-types.h\
 			source/css-colors.c\
 			include/theme.h\
 			include/css-colors.h\
@@ -360,6 +370,8 @@ scrollbar_test_SOURCES=\
 			lexer/theme-parser.y\
 			lexer/theme-lexer.l\
 			source/theme.c\
+			source/rofi-types.c\
+			include/rofi-types.h\
 			source/css-colors.c\
 			include/theme.h\
 			include/css-colors.h\
@@ -371,6 +383,8 @@ textbox_test_SOURCES=\
 	lexer/theme-parser.y\
 	lexer/theme-lexer.l\
 	source/theme.c\
+	source/rofi-types.c\
+	include/rofi-types.h\
 	source/css-colors.c\
 	source/helper.c\
 	config/config.c\
@@ -406,6 +420,8 @@ theme_parser_test_SOURCES=\
 	lexer/theme-parser.c\
 	lexer/theme-parser.h\
 	source/theme.c\
+	source/rofi-types.c\
+	include/rofi-types.h\
 	source/css-colors.c\
 	test/theme-parser-test.c
 endif
@@ -420,6 +436,8 @@ helper_test_SOURCES=\
 	include/helper-theme.h\
 	include/xrmoptions.h\
 	source/xrmoptions.c\
+	source/rofi-types.c\
+	include/rofi-types.h\
 	test/helper-test.c
 
 
@@ -460,6 +478,8 @@ helper_expand_SOURCES=\
 	include/helper-theme.h\
 	include/xrmoptions.h\
 	source/xrmoptions.c\
+	source/rofi-types.c\
+	include/rofi-types.h\
 	test/helper-expand.c
 
 helper_expand_CFLAGS=${helper_test_CFLAGS}
@@ -475,6 +495,8 @@ helper_config_cmdline_parser_SOURCES=\
 	include/mode.h\
 	include/mode-private.h\
 	source/helper.c\
+	source/rofi-types.c\
+	include/rofi-types.h\
 	include/helper.h\
 	include/helper-theme.h\
 	include/xrmoptions.h\
@@ -491,6 +513,8 @@ mode_test_SOURCES=\
 			      source/dialogs/help-keys.c\
 				  source/helper.c\
 				  source/mode.c\
+				  source/rofi-types.c\
+				  include/rofi-types.h\
 				  source/xrmoptions.c\
 				  source/keyb.c\
 				  include/mode.h\
diff --git a/include/rofi-types.h b/include/rofi-types.h
new file mode 100644
index 00000000..4970e453
--- /dev/null
+++ b/include/rofi-types.h
@@ -0,0 +1,6 @@
+#ifndef INCLUDE_ROFI_TYPES_H
+#define INCLUDE_ROFI_TYPES_H
+
+extern const char *PropertyTypeName[];
+
+#endif // INCLUDE_ROFI_TYPES_H
diff --git a/meson.build b/meson.build
index 35d97f65..ac827d16 100644
--- a/meson.build
+++ b/meson.build
@@ -155,6 +155,7 @@ rofi_sources = files(
         'source/widgets/listview.c',
         'source/widgets/scrollbar.c',
         'source/xrmoptions.c',
+        'source/rofi-types.c',
         'source/xcb.c',
         'source/dialogs/run.c',
         'source/dialogs/ssh.c',
@@ -179,6 +180,7 @@ rofi_sources = files(
         'include/timings.h',
         'include/history.h',
         'include/theme.h',
+        'include/rofi-types.h',
         'include/css-colors.h',
         'include/default-theme.h',
         'include/widgets/box.h',
@@ -278,6 +280,7 @@ test('helper_pidfile test', executable('helper_pidfile.test', [
         'config/config.c',
         'source/helper.c',
         'source/xrmoptions.c',
+        'source/rofi-types.c',
     ]),
     dependencies: deps,
 ))
@@ -289,6 +292,7 @@ test('helper_tokenize test', executable('helper_tokenize.test', [
         'config/config.c',
         'source/helper.c',
         'source/xrmoptions.c',
+        'source/rofi-types.c',
     ]),
     dependencies: deps,
 ))
@@ -302,6 +306,7 @@ test('widget test', executable('widget.test', [
         'source/widgets/widget.c',
         'source/widgets/textbox.c',
         'source/theme.c',
+        'source/rofi-types.c',
         'source/css-colors.c',
         'source/helper.c',
         'config/config.c',
@@ -318,6 +323,7 @@ test('box test', executable('box.test', [
         'source/widgets/widget.c',
         'source/widgets/box.c',
         'source/theme.c',
+        'source/rofi-types.c',
         'source/css-colors.c',
         'config/config.c',
     ]),
@@ -333,6 +339,7 @@ test('scrollbar test', executable('scrollbar.test', [
         'source/widgets/widget.c',
         'source/widgets/scrollbar.c',
         'source/theme.c',
+        'source/rofi-types.c',
         'source/css-colors.c',
         'config/config.c',
     ]),
@@ -348,6 +355,7 @@ test('textbox test', executable('textbox.test', [
         'source/widgets/widget.c',
         'source/widgets/textbox.c',
         'source/theme.c',
+        'source/rofi-types.c',
         'source/css-colors.c',
         'source/helper.c',
         'config/config.c',
@@ -362,6 +370,7 @@ test('helper test', executable('helper.test', [
         'config/config.c',
         'source/helper.c',
         'source/xrmoptions.c',
+        'source/rofi-types.c',
     ]),
     dependencies: deps,
 ))
@@ -373,6 +382,7 @@ test('helper_expand test', executable('helper_expand.test', [
         'config/config.c',
         'source/helper.c',
         'source/xrmoptions.c',
+        'source/rofi-types.c',
     ]),
     dependencies: deps,
 ))
@@ -384,6 +394,7 @@ test('helper_config_cmdline_parser test', executable('helper_config_cmdline_pars
         'config/config.c',
         'source/helper.c',
         'source/xrmoptions.c',
+        'source/rofi-types.c',
     ]),
     dependencies: deps,
 ))
@@ -401,6 +412,7 @@ if check.found()
             'source/helper.c',
             'source/xrmoptions.c',
             'source/theme.c',
+            'source/rofi-types.c',
             'source/css-colors.c',
         ]),
         dependencies: deps,
@@ -415,6 +427,7 @@ if check.found()
             'source/helper.c',
             'source/mode.c',
             'source/xrmoptions.c',
+            'source/rofi-types.c',
             'source/keyb.c',
         ]),
         dependencies: deps,
diff --git a/source/rofi-types.c b/source/rofi-types.c
new file mode 100644
index 00000000..d0676f40
--- /dev/null
+++ b/source/rofi-types.c
@@ -0,0 +1,29 @@
+#include "rofi-types.h"
+
+/**
+ * Name of the property type
+ */
+const char *PropertyTypeName[] = {
+    /** Integer */
+    "Integer",
+    /** Double */
+    "Double",
+    /** String */
+    "String",
+    /** Boolean */
+    "Boolean",
+    /** Color */
+    "Color",
+    /** RofiPadding */
+    "RofiPadding",
+    /** Link to global setting */
+    "Reference",
+    /** Position */
+    "Position",
+    /** Highlight */
+    "Highlight",
+    /** List */
+    "List",
+    /** Orientation */
+    "Orientation",
+};
diff --git a/source/theme.c b/source/theme.c
index 25cbd4ee..b929a9ea 100644
--- a/source/theme.c
+++ b/source/theme.c
@@ -41,34 +41,8 @@
 #include "widgets/textbox.h"
 #include "view.h"
 #include "rofi.h"
+#include "rofi-types.h"
 
-/**
- * Name of the property type
- */
-const char *PropertyTypeName[] = {
-    /** Integer */
-    "Integer",
-    /** Double */
-    "Double",
-    /** String */
-    "String",
-    /** Boolean */
-    "Boolean",
-    /** Color */
-    "Color",
-    /** RofiPadding */
-    "RofiPadding",
-    /** Link to global setting */
-    "Reference",
-    /** Position */
-    "Position",
-    /** Highlight */
-    "Highlight",
-    /** List */
-    "List",
-    /** Orientation */
-    "Orientation",
-};
 void yyerror ( YYLTYPE *yylloc, const char *, const char * );
 static gboolean distance_compare ( RofiDistance d, RofiDistance e )
 {
diff --git a/source/xrmoptions.c b/source/xrmoptions.c
index c79b1959..91d69c3a 100644
--- a/source/xrmoptions.c
+++ b/source/xrmoptions.c
@@ -40,6 +40,7 @@
 #include "xrmoptions.h"
 #include "settings.h"
 #include "helper.h"
+#include "rofi-types.h"
 
 /** Different sources of configuration. */
 const char * const ConfigSourceStr[] = {
diff --git a/test/box-test.c b/test/box-test.c
index e2fdb2d5..7cc437d3 100644
--- a/test/box-test.c
+++ b/test/box-test.c
@@ -63,8 +63,9 @@ unsigned int test =0;
         }                                                                                                \
 }
 
-void config_parse_set_property ( G_GNUC_UNUSED const Property *p )
+gboolean config_parse_set_property ( G_GNUC_UNUSED const Property *p, char **error )
 {
+    return FALSE;
 }
 char * rofi_expand_path ( G_GNUC_UNUSED const char *path )
 {
diff --git a/test/scrollbar-test.c b/test/scrollbar-test.c
index c9fdc140..f69b3eb7 100644
--- a/test/scrollbar-test.c
+++ b/test/scrollbar-test.c
@@ -59,8 +59,9 @@ char * helper_get_theme_path ( const char *file )
 {
     return g_strdup ( file );
 }
-void config_parse_set_property ( G_GNUC_UNUSED const Property *p )
+gboolean config_parse_set_property ( G_GNUC_UNUSED const Property *p, char **error )
 {
+    return FALSE;
 }
 void rofi_add_error_message ( G_GNUC_UNUSED GString *msg )
 {}
diff --git a/test/textbox-test.c b/test/textbox-test.c
index be53516e..94703a85 100644
--- a/test/textbox-test.c
+++ b/test/textbox-test.c
@@ -52,8 +52,9 @@ unsigned int normal_window_mode = 0;
 
 #include "view.h"
 
-void config_parse_set_property ( G_GNUC_UNUSED const Property *p )
+gboolean config_parse_set_property ( G_GNUC_UNUSED const Property *p, char **error )
 {
+    return FALSE;
 }
 
 void rofi_add_error_message ( G_GNUC_UNUSED GString *msg)
diff --git a/test/widget-test.c b/test/widget-test.c
index 78cd4c4a..3313ac7e 100644
--- a/test/widget-test.c
+++ b/test/widget-test.c
@@ -43,8 +43,9 @@ unsigned int test =0;
         assert ( a );                                     \
         printf ( "Test %3i passed (%s)\n", ++test, # a ); \
 }
-void config_parse_set_property ( G_GNUC_UNUSED const Property *p )
+gboolean config_parse_set_property ( G_GNUC_UNUSED const Property *p, char **error )
 {
+    return FALSE;
 }
 void rofi_add_error_message ( G_GNUC_UNUSED GString *msg )
 {