diff --git a/code/datums/components/singularity.dm b/code/datums/components/singularity.dm
index 80f32f295c0..c7dc5cb3e79 100644
--- a/code/datums/components/singularity.dm
+++ b/code/datums/components/singularity.dm
@@ -141,7 +141,7 @@
 	consume(source, user)
 
 // Will there be an impact? Who knows.  Will we see it? No.
-/datum/component/singularity/proc/consume_bullets(obj/projectile/projectile)
+/datum/component/singularity/proc/consume_bullets(datum/source, obj/projectile/projectile)
 	SIGNAL_HANDLER
 
 	qdel(projectile)