diff -r ea89bbb0c4c8 -r c04433993fbb ui/gtk/toolbar.c
--- a/ui/gtk/toolbar.c	Thu Dec 10 13:43:25 2020 +0100
+++ b/ui/gtk/toolbar.c	Fri Dec 11 11:46:19 2020 +0100
@@ -275,7 +275,7 @@
     gtk_toolbar_insert(tb, button, -1);
     
     if(item->groups) {
-        uic_add_group_widget(obj->ctx, button, item->groups);
+        uic_add_group_widget(obj->ctx, button, (ui_enablefunc)ui_set_enabled, item->groups);
     }
 }
 
@@ -304,7 +304,7 @@
     gtk_toolbar_insert(tb, button, -1);
     
     if(item->groups) {
-        uic_add_group_widget(obj->ctx, button, item->groups);
+        uic_add_group_widget(obj->ctx, button, (ui_enablefunc)ui_set_enabled, item->groups);
     }
 }
 
@@ -366,7 +366,7 @@
     gtk_toolbar_insert(tb, button, -1);
     
     if(item->groups) {
-        uic_add_group_widget(obj->ctx, button, item->groups);
+        uic_add_group_widget(obj->ctx, button, (ui_enablefunc)ui_set_enabled, item->groups);
     }
 }
 
@@ -390,7 +390,7 @@
 }
 
 void ui_tool_toggle_button_set(UiInteger *integer, int64_t value) {
-    gboolean s = integer->value != 0 ? TRUE : FALSE;
+    gboolean s = value != 0 ? TRUE : FALSE;
     gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(integer->obj), s);
     integer->value = s;
 }