diff --git a/Source/NSZone.m b/Source/NSZone.m
index 08fa0a340..1a96cc1c0 100644
--- a/Source/NSZone.m
+++ b/Source/NSZone.m
@@ -527,7 +527,7 @@ default_lookup (NSZone *zone, void *ptr)
 static struct NSZoneStats
 default_stats (NSZone *zone)
 {
-  struct NSZoneStats dummy;
+  struct NSZoneStats dummy = {0,0,0,0,0};
 
   /* We can't obtain statistics from the memory managed by objc_malloc(). */
   [NSException raise: NSGenericException