diff --git a/application/controllers/RegisterController.php b/application/controllers/RegisterController.php
index ae50596f634..518f60f7528 100644
--- a/application/controllers/RegisterController.php
+++ b/application/controllers/RegisterController.php
@@ -174,7 +174,7 @@ public function getRegisterErrors($iSurveyId)
         //Check that the email is a valid style address
         if ($aFieldValue['sEmail'] == "") {
             $this->aRegisterErrors[] = gT("You must enter a valid email. Please try again.");
-        } elseif (!validateEmailAddress($aFieldValue['sEmail'])) {
+        } elseif (!validateEmailAddress(trim($aFieldValue['sEmail']))) {
             $this->aRegisterErrors[] = gT("The email you used is not valid. Please try again.");
         }
         //Check and validate attribute