diff --git a/code/game/objects/structures/cannons/mounted_guns/mounted_gun.dm b/code/game/objects/structures/cannons/mounted_guns/mounted_gun.dm
index e85bccafdca..3a7a027acb5 100644
--- a/code/game/objects/structures/cannons/mounted_guns/mounted_gun.dm
+++ b/code/game/objects/structures/cannons/mounted_guns/mounted_gun.dm
@@ -185,3 +185,4 @@
 	obj_flags = CONDUCTS_ELECTRICITY
 	throwforce = 0
 	w_class = WEIGHT_CLASS_BULKY
+	projectile_type = /obj/projectile/bullet/shrapnel