diff --git a/code/modules/mob/living/simple_animal/hostile/terror_spiders/terror_spiders.dm b/code/modules/mob/living/simple_animal/hostile/terror_spiders/terror_spiders.dm
index 520143d71d0..2805ba2ede3 100644
--- a/code/modules/mob/living/simple_animal/hostile/terror_spiders/terror_spiders.dm
+++ b/code/modules/mob/living/simple_animal/hostile/terror_spiders/terror_spiders.dm
@@ -297,8 +297,10 @@ GLOBAL_LIST_EMPTY(ts_spiderling_list)
 	return ..()
 
 /mob/living/simple_animal/hostile/poison/terror_spider/Life(seconds, times_fired)
-	. = ..()
-	if(!.) // if mob is dead
+	if(QDELETED(src))
+		return
+	..()
+	if(stat == DEAD) // Can't use if(.) for this due to the fact it can sometimes return FALSE even when mob is alive.
 		if(prob(2))
 			// 2% chance every cycle to decompose
 			visible_message("<span class='notice'>\The dead body of the [src] decomposes!</span>")