diff --git a/lib/ldapclient.php b/lib/ldapclient.php
index e192c8b..5e7d401 100644
--- a/lib/ldapclient.php
+++ b/lib/ldapclient.php
@@ -55,7 +55,8 @@ public function getGithubLoginFromMail($mail) {
               # $et contains GITHIB:id  or BITBUCKET:id
               $id = explode(":", $et);
               if($id[0] == "GITHUB") {
-                return $id[1];
+		#clean up whitespace
+                return trim($id[1]);
                 last;
               }
             }
@@ -161,4 +162,4 @@ public function isMemberOfGroup($mail, $group) {
     return $rValue;
   }
 }
-?>
\ No newline at end of file
+?>