diff --git a/code/game/objects/structures/girders.dm b/code/game/objects/structures/girders.dm
index 9cdec853759..6ea253e12f1 100644
--- a/code/game/objects/structures/girders.dm
+++ b/code/game/objects/structures/girders.dm
@@ -80,6 +80,9 @@
 		if (locate(/obj/structure/falsewall) in loc.contents)
 			to_chat(user, "<span class='warning'>There is already a false wall present!</span>")
 			return
+		if(islava(loc))
+			to_chat(user, "<span class='warning'>You can't do that while [src] is in lava!</span>")
+			return
 		if(istype(W, /obj/item/stack/sheet/runed_metal))
 			to_chat(user, "<span class='warning'>You can't seem to make the metal bend.</span>")
 			return