diff --git a/include/Mw/StringDefs.h b/include/Mw/StringDefs.h
index 5d68965..db59788 100644
--- a/include/Mw/StringDefs.h
+++ b/include/Mw/StringDefs.h
@@ -72,5 +72,6 @@
 #define MwNcolorChosenHandler "CcolorChosen"	     /* MwRGB* */
 #define MwNdrawHandler "Cdraw"			     /* NULL */
 #define MwNclipboardHandler "Cclipboard"	     /* char* */
+#define MwNdarkThemeHandler "CdarkTheme"	     /* int* */
 
 #endif
diff --git a/src/core.c b/src/core.c
index b157bbb..6985a02 100644
--- a/src/core.c
+++ b/src/core.c
@@ -131,7 +131,11 @@ static void lldarkthemehandler(MwLL handle, void* data) {
 	MwWidget h   = (MwWidget)handle->common.user;
 	int*	 ptr = data;
 
-	if(IsFirstVisible(h)) MwSetDarkTheme(h, *ptr);
+	if(IsFirstVisible(h)) {
+		MwSetDarkTheme(h, *ptr);
+
+		MwDispatchUserHandler(h, MwNdarkThemeHandler, data);
+	}
 }
 
 MwWidget MwCreateWidget(MwClass widget_class, const char* name, MwWidget parent, int x, int y, unsigned int width, unsigned int height) {