diff --git a/code/modules/mob/living/simple_animal/hostile/mining_mobs/hivelord.dm b/code/modules/mob/living/simple_animal/hostile/mining_mobs/hivelord.dm
index b7ca291a5be4..bd9133ffce20 100644
--- a/code/modules/mob/living/simple_animal/hostile/mining_mobs/hivelord.dm
+++ b/code/modules/mob/living/simple_animal/hostile/mining_mobs/hivelord.dm
@@ -297,6 +297,8 @@
 
 /// track our timers and reagents
 /obj/item/organ/legion_skull/proc/skull_check()
+	if(!owner)
+		return
 	if(!malignance)
 		malignance = new()
 		malignance.infect(owner, FALSE)