diff --git a/dwm-flexipatch/config.def.h b/dwm-flexipatch/config.def.h
index 5b81356..c645a58 100644
--- a/dwm-flexipatch/config.def.h
+++ b/dwm-flexipatch/config.def.h
@@ -502,7 +502,7 @@ static const Rule rules[] = {
 	RULE(.wintype = WTYPE "DESKTOP", .unmanaged = 2)
 	RULE(.wintype = WTYPE "DOCK", .unmanaged = 1)
 	RULE(.wintype = WTYPE "DIALOG", .isfloating = 1, .noswallow = 1)
-	RULE(.class = "Xmessage", .isfloating = 1)
+	RULE(.class = "Xmessage", .isfloating = 1, .noswallow = 1)
 	RULE(.wintype = WTYPE "UTILITY", .isfloating = 1, .noswallow = 1)
 	RULE(.wintype = WTYPE "TOOLBAR", .isfloating = 1, .noswallow = 1)
 	RULE(.wintype = WTYPE "SPLASH", .isfloating = 1, .noswallow = 1)