diff --git a/include/theme.h b/include/theme.h
index b55c4d0a..db249dd9 100644
--- a/include/theme.h
+++ b/include/theme.h
@@ -89,6 +89,7 @@ typedef enum
     P_HIGHLIGHT,
 } PropertyType;
 
+
 /**
  * Represent the color in theme.
  */
diff --git a/lexer/theme-parser.y b/lexer/theme-parser.y
index 4a5368b8..293675ad 100644
--- a/lexer/theme-parser.y
+++ b/lexer/theme-parser.y
@@ -82,11 +82,11 @@ int yylex (YYSTYPE *, YYLTYPE *);
 %token <sval>     T_LINK
 %token <sval>     FIRST_NAME
 
-%token BOPEN        "bracket open"
-%token BCLOSE       "bracket close"
-%token PSEP         "property separator"
-%token PCLOSE       "property close"
-%token NSEP         "Name separator"
+%token BOPEN        "bracket open ('{')"
+%token BCLOSE       "bracket close ('}')"
+%token PSEP         "property separator (':')"
+%token PCLOSE       "property close (';')"
+%token NSEP         "Name separator (' ' or '.')"
 %token NAME_PREFIX  "Element section ('# {name} { ... }')"
 %token WHITESPACE   "White space"
 %token PDEFAULTS    "Default settings section ( '* { ... }')"
diff --git a/source/theme.c b/source/theme.c
index 67fb1943..f5ee02e4 100644
--- a/source/theme.c
+++ b/source/theme.c
@@ -13,6 +13,29 @@
 /** Logging domain for theme */
 #define LOG_DOMAIN    "Theme"
 
+/**
+ * Name of the property type
+ */
+const char *PropertyTypeName[] = {
+    /** Integer */
+    "Integer",
+    /** Double */
+    "Double",
+    /** String */
+    "String",
+    /** Boolean */
+    "Boolean",
+    /** Color */
+    "Color",
+    /** Padding */
+    "Padding",
+    /** Link to global setting */
+    "Reference",
+    /** Position */
+    "Position",
+    /** Highlight */
+    "Highlight",
+};
 void yyerror ( YYLTYPE *ylloc, const char *, const char * );
 static gboolean distance_compare ( Distance d, Distance e )
 {
@@ -395,6 +418,11 @@ Property *rofi_theme_find_property ( ThemeWidget *widget, PropertyType type, con
             if ( p->type == P_INTEGER && type == P_PADDING ) {
                 return p;
             }
+            g_log ( LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "Found property: '%s' on '%s', but type %s does not match expected type %s.",
+                    property, widget->name,
+                    PropertyTypeName[p->type],
+                    PropertyTypeName[type]
+                    );
         }
         if ( exact ) {
             return NULL;