diff --git a/src/servers/app/DefaultDecorator.cpp b/src/servers/app/DefaultDecorator.cpp
index eca9c2b08d..028c184790 100644
--- a/src/servers/app/DefaultDecorator.cpp
+++ b/src/servers/app/DefaultDecorator.cpp
@@ -580,7 +580,7 @@ DefaultDecorator::Clicked(BPoint point, int32 buttons, int32 modifiers)
 		if (buttons == B_SECONDARY_MOUSE_BUTTON)
 			return DEC_MOVETOBACK;
 
-		if (fWasDoubleClick)
+		if (fWasDoubleClick && !(fFlags & B_NOT_MINIMIZABLE))
 			return DEC_MINIMIZE;
 
 		return DEC_DRAG;