diff --git a/code/modules/antagonists/devil/devil.dm b/code/modules/antagonists/devil/devil.dm
index 023dce62150..d2dc18637b5 100644
--- a/code/modules/antagonists/devil/devil.dm
+++ b/code/modules/antagonists/devil/devil.dm
@@ -29,7 +29,7 @@
 	return ..()
 
 /datum/antagonist/devil/proc/add_soul(datum/mind/soul)
-	if(!istype(soul) || soul in soulsOwned)
+	if((!istype(soul)) || (LAZYIN(soulsOwned, soul))
 		return
 
 	LAZYADD(soulsOwned, soul)