diff --git a/Source/NSZone.m b/Source/NSZone.m
index 8e1c810f3..015037b55 100644
--- a/Source/NSZone.m
+++ b/Source/NSZone.m
@@ -417,7 +417,7 @@ NSZoneFromPointer(void *ptr)
   NSZone	*zone;
 
   if (ptr == 0) return 0;
-  if (zone_list == 0) return 0;
+  if (zone_list == 0) return __nszone_private_hidden_default_zone;
 
   /*
    *	See if we can find the zone in our list of all zones.