diff --git a/code/game/objects/items/twohanded.dm b/code/game/objects/items/twohanded.dm
index 19ccee75ae..debb25f093 100644
--- a/code/game/objects/items/twohanded.dm
+++ b/code/game/objects/items/twohanded.dm
@@ -41,6 +41,8 @@
 	else //something wrong
 		name = "[initial(name)]"
 	update_icon()
+	if(user.get_item_by_slot(slot_back) == src)
+		user.update_inv_back()
 	if(show_message)
 		if(iscyborg(user))
 			to_chat(user, "<span class='notice'>You free up your module.</span>")
diff --git a/icons/mob/back.dmi b/icons/mob/back.dmi
index 064fedb3df..14c0ddc470 100644
Binary files a/icons/mob/back.dmi and b/icons/mob/back.dmi differ