diff --git a/code/modules/events/carp_migration.dm b/code/modules/events/carp_migration.dm
index 0936e91e128..488df7c5141 100644
--- a/code/modules/events/carp_migration.dm
+++ b/code/modules/events/carp_migration.dm
@@ -97,10 +97,10 @@
 	..()
 
 	for (var/datum/weakref/carp_weakref in spawned_carp)
-		var/mob/living/simple_animal/hostile/carp/fish = carp_weakref.resolve()
+		var/mob/fish = carp_weakref.resolve()
 		if (fish && prob(50) && is_type_in_typecache(fish.loc, despawn_turfs))
 			spawned_carp -= carp_weakref
-			qdel(carp_weakref)
+			qdel(fish)
 	spawned_carp?.Cut()
 
 /datum/event/carp_migration/cozmo/start()
diff --git a/code/modules/events/wandering_psirens.dm b/code/modules/events/wandering_psirens.dm
index 7809e83008e..1cc90451b33 100644
--- a/code/modules/events/wandering_psirens.dm
+++ b/code/modules/events/wandering_psirens.dm
@@ -72,7 +72,7 @@
 		var/mob/living/simple_animal/hostile/psiren/psiren = psiren_weakref.resolve()
 		if (psiren && prob(50) && is_type_in_typecache(psiren.loc, despawn_turfs))
 			spawned_psirens -= psiren_weakref
-			qdel(psiren_weakref)
+			qdel(psiren)
 	spawned_psirens?.Cut()
 
 /datum/event/wandering_psirens/overmap
diff --git a/html/changelogs/hellfirejag-carp-migration-harddel.yml b/html/changelogs/hellfirejag-carp-migration-harddel.yml
new file mode 100644
index 00000000000..19947080bc0
--- /dev/null
+++ b/html/changelogs/hellfirejag-carp-migration-harddel.yml
@@ -0,0 +1,4 @@
+author: Hellfirejag
+delete-after: True
+changes:
+  - bugfix: "Fixed a hard del caused by ccarp and psiren migrations."