diff --git a/code/modules/multiz/stairs.dm b/code/modules/multiz/stairs.dm
index 6a85c301fe6..5ce4b2ec264 100644
--- a/code/modules/multiz/stairs.dm
+++ b/code/modules/multiz/stairs.dm
@@ -392,7 +392,7 @@
 
 /obj/structure/stairs/top/Uncrossed(var/atom/movable/AM)
 	// Going down stairs from the topstair piece
-	if(AM.dir == turn(dir, 180) && check_integrity())
+	if(AM.dir == turn(dir, 180) && isturf(AM.loc) && check_integrity())
 		use_stairs_instant(AM)
 		return