diff --git a/code/game/objects/structures/window.dm b/code/game/objects/structures/window.dm
index fc9f5b6a193..0ac02fbeb73 100644
--- a/code/game/objects/structures/window.dm
+++ b/code/game/objects/structures/window.dm
@@ -140,7 +140,7 @@
 		return 1
 	if(is_full_window())
 		return 0	//full tile window, you can't move into it!
-	if(get_dir(loc, target) == dir)
+	if(get_dir(loc, target) & dir)
 		return !density
 	else
 		return 1