diff --git a/code/modules/clothing/upgrade_modules/hardsuit_taser_proof_module/hardsuit_taser_proof.dm b/code/modules/clothing/upgrade_modules/hardsuit_taser_proof_module/hardsuit_taser_proof.dm
index 8c977b313e0..51a7d99be6c 100644
--- a/code/modules/clothing/upgrade_modules/hardsuit_taser_proof_module/hardsuit_taser_proof.dm
+++ b/code/modules/clothing/upgrade_modules/hardsuit_taser_proof_module/hardsuit_taser_proof.dm
@@ -37,6 +37,6 @@
 	if(!hardsuit.suit_adjusted)
 		return FALSE
 	var/obj/item/projectile/P = hitby
-	if(P.shockbull)
+	if(istype(P) && P.shockbull)
 		return TRUE
 	return FALSE