1 files changed, 1 insertions, 1 deletions
diff --git a/lib/ensureAsync.js b/lib/ensureAsync.js
index 8b7b208..ae5f131 100644
--- a/lib/ensureAsync.js
+++ b/lib/ensureAsync.js
@@ -7,6 +7,7 @@ import setImmediate from './internal/setImmediate';
 export default function ensureAsync(fn) {
     return rest(function (args) {
         var callback = args.pop();
+        var sync = true;
         args.push(function () {
             var innerArgs = arguments;
             if (sync) {
@@ -17,7 +18,6 @@ export default function ensureAsync(fn) {
                 callback.apply(null, innerArgs);
             }
         });
-        var sync = true;
         fn.apply(this, args);
         sync = false;
     });