diff --git a/libs/ui/kis_painting_assistants_decoration.cpp b/libs/ui/kis_painting_assistants_decoration.cpp
index 08f827a..f3ef3e8 100644
--- a/libs/ui/kis_painting_assistants_decoration.cpp
+++ b/libs/ui/kis_painting_assistants_decoration.cpp
@@ -305,7 +305,7 @@ void KisPaintingAssistantsDecoration::setSelectedAssistant(KisPaintingAssistantS
 
 void KisPaintingAssistantsDecoration::deselectAssistant()
 {
-    d->selectedAssistant = 0;
+    d->selectedAssistant.clear();
 }