diff --git a/code/modules/assembly/flash.dm b/code/modules/assembly/flash.dm
index 9ddfe2380e6..376cb01f50a 100644
--- a/code/modules/assembly/flash.dm
+++ b/code/modules/assembly/flash.dm
@@ -281,4 +281,8 @@
 		addtimer(CALLBACK(src, .proc/update_icon), 5)
 
 	if(holder)
-		holder.update_icon()
\ No newline at end of file
+		holder.update_icon()
+
+/obj/item/device/assembly/flash/shield/hit_reaction(obj/item/weapon/W, mob/user, params)
+	activate()
+	return ..()