diff --git a/src/apps/icon-o-matic/transformable/TransformGradientBox.cpp b/src/apps/icon-o-matic/transformable/TransformGradientBox.cpp
index d8848a9c89..3fd7058162 100644
--- a/src/apps/icon-o-matic/transformable/TransformGradientBox.cpp
+++ b/src/apps/icon-o-matic/transformable/TransformGradientBox.cpp
@@ -100,6 +100,7 @@ TransformGradientBox::ObjectChanged(const Observable* object)
 
 	if (object == fShape) {
 		fView->Invalidate(Bounds());
+		fView->UnlockLooper();
 		return;
 	}