diff --git a/src/appicon.c b/src/appicon.c
index 7c4a4d9..2a707ad 100644
--- a/src/appicon.c
+++ b/src/appicon.c
@@ -634,6 +634,9 @@ void appIconMouseDown(WObjDescriptor * desc, WBackendEvent * event)
 	if (aicon->editing || WCHECK_STATE(WSTATE_MODAL))
 		return;
 
+	if (!aicon->icon->owner)
+		return;
+
 	if (IsDoubleClick(scr, event)) {
 		/* Middle or right mouse actions were handled on first click */
 		if (event->u.button.button == Button1)