diff --git a/code/modules/mob/living/silicon/robot/robot.dm b/code/modules/mob/living/silicon/robot/robot.dm
index 5800d9c8c89..2dd8cd19897 100644
--- a/code/modules/mob/living/silicon/robot/robot.dm
+++ b/code/modules/mob/living/silicon/robot/robot.dm
@@ -303,6 +303,7 @@ GLOBAL_LIST_INIT(robot_verbs_default, list(
 	QDEL_NULL(robot_suit)
 	QDEL_NULL(spark_system)
 	QDEL_NULL(self_diagnosis)
+	QDEL_NULL(mail_setter)
 	QDEL_LIST_ASSOC_VAL(components)
 	QDEL_NULL(rbPDA)
 	QDEL_NULL(radio)