diff --git a/Source/NSBezierPath.m b/Source/NSBezierPath.m
index 5b9d8dce5..216a15992 100644
--- a/Source/NSBezierPath.m
+++ b/Source/NSBezierPath.m
@@ -500,8 +500,8 @@ static CGFloat default_miter_limit = 10.0;
 
   if (_dash_pattern == NULL)
     _dash_pattern = NSZoneMalloc(myZone, count * sizeof(CGFloat));
-  else
-    NSZoneRealloc(myZone, _dash_pattern, count * sizeof(CGFloat));
+  else if (count > _dash_count)
+    _dash_pattern = NSZoneRealloc(myZone, _dash_pattern, count * sizeof(CGFloat));
 
   _dash_count = count;
   _dash_phase = phase;