diff --git a/code/modules/surgery/limb_augmentation.dm b/code/modules/surgery/limb_augmentation.dm
index e52f6ad141..059a5aaa34 100644
--- a/code/modules/surgery/limb_augmentation.dm
+++ b/code/modules/surgery/limb_augmentation.dm
@@ -10,7 +10,7 @@
 	if(istype(tool, /obj/item/organ_storage) && istype(tool.contents[1], /obj/item/bodypart))
 		tool = tool.contents[1]
 	var/obj/item/bodypart/aug = tool
-	if(aug.is_robotic_limb())
+	if(!aug.is_robotic_limb())
 		to_chat(user, "<span class='warning'>That's not an augment, silly!</span>")
 		return -1
 	if(aug.body_zone != target_zone)