diff --git a/lexer/theme-parser.y b/lexer/theme-parser.y
index 4d118619..57651a21 100644
--- a/lexer/theme-parser.y
+++ b/lexer/theme-parser.y
@@ -672,11 +672,11 @@ t_property_scale_type
 
 t_color_list
 : t_property_color {
-    $$ = g_list_append ( NULL, g_memdup ( (gconstpointer)&($1), sizeof ( ThemeColor )));
+    $$ = g_list_append ( NULL, g_memdup2 ( (gconstpointer)&($1), sizeof ( ThemeColor )));
 }
 | t_color_list T_COMMA t_property_color {
 
-    $$ = g_list_append ($1, g_memdup ( (gconstpointer)&($3), sizeof ( ThemeColor )));
+    $$ = g_list_append ($1, g_memdup2 ( (gconstpointer)&($3), sizeof ( ThemeColor )));
 }
 ;
 
diff --git a/source/theme.c b/source/theme.c
index 7084fe84..e39531fd 100644
--- a/source/theme.c
+++ b/source/theme.c
@@ -168,7 +168,7 @@ Property *rofi_theme_property_copy(const Property *p,
     for (GList *l = g_list_first(p->value.image.colors); l;
          l = g_list_next(l)) {
       retv->value.image.colors = g_list_append(
-          retv->value.image.colors, g_memdup(l->data, sizeof(ThemeColor)));
+          retv->value.image.colors, g_memdup2(l->data, sizeof(ThemeColor)));
     }
     break;
   }