diff --git a/extensions/wallet/resources/content/walletOverlay.js b/extensions/wallet/resources/content/walletOverlay.js
index 788e349d1341..f9d0f533c7b8 100644
--- a/extensions/wallet/resources/content/walletOverlay.js
+++ b/extensions/wallet/resources/content/walletOverlay.js
@@ -250,7 +250,7 @@
     var bestState;
 
     function stateFoundInFormsArray(formsArray, captureOrPrefill, threshhold) {
-      state =
+      var state =
         getStateFromFormsArray(formsArray, captureOrPrefill, threshhold);
       if (state == enable) {
         if (elementCount > threshhold) {