diff --git a/lib/core.js b/lib/core.js
index 55646d0e9..1432f256f 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -719,7 +719,7 @@ Archiver.prototype.glob = function(pattern, options, data) {
   }
 
   function onGlobMatch(match){
-    entryData = _.extend({}, data);
+    var entryData = _.extend({}, data);
 
     if (options.cwd) {
       entryData.name = match;