diff --git a/code/datums/elements/frozen.dm b/code/datums/elements/frozen.dm
index 77699c89e64ec..ca40f9d174a24 100644
--- a/code/datums/elements/frozen.dm
+++ b/code/datums/elements/frozen.dm
@@ -9,7 +9,7 @@ GLOBAL_LIST_INIT(freon_color_matrix, list("#2E5E69", "#60A2A8", "#A1AFB1", rgb(0
 		return ELEMENT_INCOMPATIBLE
 
 	var/obj/target_obj = target
-	if(target_obj.obj_flags & FREEZE_PROOF)
+	if(target_obj.resistance_flags & FREEZE_PROOF)
 		return ELEMENT_INCOMPATIBLE
 
 	if(HAS_TRAIT(target_obj, TRAIT_FROZEN))
diff --git a/code/game/objects/objs.dm b/code/game/objects/objs.dm
index 190328ef365a7..ba4698c54b3f5 100644
--- a/code/game/objects/objs.dm
+++ b/code/game/objects/objs.dm
@@ -372,7 +372,7 @@ GLOBAL_LIST_EMPTY(objects_by_id_tag)
 /obj/proc/freeze()
 	if(HAS_TRAIT(src, TRAIT_FROZEN))
 		return FALSE
-	if(obj_flags & FREEZE_PROOF)
+	if(resistance_flags & FREEZE_PROOF)
 		return FALSE
 
 	AddElement(/datum/element/frozen)
diff --git a/code/game/turfs/open/_open.dm b/code/game/turfs/open/_open.dm
index 8afb3c5ee8dbe..e235fe6f500c6 100644
--- a/code/game/turfs/open/_open.dm
+++ b/code/game/turfs/open/_open.dm
@@ -196,7 +196,7 @@
 
 /turf/open/proc/freeze_turf()
 	for(var/obj/I in contents)
-		if(!HAS_TRAIT(I, TRAIT_FROZEN) && !(I.obj_flags & FREEZE_PROOF))
+		if(!HAS_TRAIT(I, TRAIT_FROZEN) && !(I.resistance_flags & FREEZE_PROOF))
 			I.AddElement(/datum/element/frozen)
 
 	for(var/mob/living/L in contents)