diff --git a/code/modules/ai/ai_holder_disabled.dm b/code/modules/ai/ai_holder_disabled.dm
index 8b296b2d10..dc3717fe18 100644
--- a/code/modules/ai/ai_holder_disabled.dm
+++ b/code/modules/ai/ai_holder_disabled.dm
@@ -5,6 +5,9 @@
 
 // If our holder is able to do anything.
 /datum/ai_holder/proc/can_act()
+	if(!holder) // Holder missing.
+		SSai.processing -= src
+		return FALSE
 	if(holder.stat) // Dead or unconscious.
 		ai_log("can_act() : Stat was non-zero ([holder.stat]).", AI_LOG_TRACE)
 		return FALSE
@@ -95,4 +98,4 @@
 			holder.IMove(get_step(holder,moving_to))
 			wander_delay = base_wander_delay
 	ai_log("handle_wander_movement() : Exited.", AI_LOG_DEBUG)
-*/
\ No newline at end of file
+*/