diff --git a/dev-helpers/oauth2-redirect.html b/dev-helpers/oauth2-redirect.html
index 00c7f014..a7eb162d 100644
--- a/dev-helpers/oauth2-redirect.html
+++ b/dev-helpers/oauth2-redirect.html
@@ -11,7 +11,11 @@
         var redirectUrl = oauth2.redirectUrl;
         var isValid, qp, arr;
 
-        qp = (window.location.hash || location.search).substring(1);
+        if (/code|token|error/.test(window.location.hash)) {
+            qp = window.location.hash.substring(1);
+        } else {
+            qp = location.search.substring(1);
+        }
 
         arr = qp.split("&")
         arr.forEach(function (v,i,_arr) { _arr[i] = '"' + v.replace('=', '":"') + '"';})
diff --git a/dist/oauth2-redirect.html b/dist/oauth2-redirect.html
index 00c7f014..a7eb162d 100644
--- a/dist/oauth2-redirect.html
+++ b/dist/oauth2-redirect.html
@@ -11,7 +11,11 @@
         var redirectUrl = oauth2.redirectUrl;
         var isValid, qp, arr;
 
-        qp = (window.location.hash || location.search).substring(1);
+        if (/code|token|error/.test(window.location.hash)) {
+            qp = window.location.hash.substring(1);
+        } else {
+            qp = location.search.substring(1);
+        }
 
         arr = qp.split("&")
         arr.forEach(function (v,i,_arr) { _arr[i] = '"' + v.replace('=', '":"') + '"';})