diff --git a/libraries/cms/application/cms.php b/libraries/cms/application/cms.php
index 6a3c9788dcc2e..0f90abc1e8024 100644
--- a/libraries/cms/application/cms.php
+++ b/libraries/cms/application/cms.php
@@ -808,11 +808,10 @@ public function login($credentials, $options = array())
 			 * This permits authentication plugins blocking the user.
 			 */
 			$authorisations = $authenticate->authorise($response, $options);
-
+			$previousauth = null;
 			foreach ($authorisations as $authorisation)
 			{
 				$denied_states = array(JAuthentication::STATUS_EXPIRED, JAuthentication::STATUS_DENIED);
-
 				if (in_array($authorisation->status, $denied_states))
 				{
 					// Trigger onUserAuthorisationFailure Event.
@@ -823,24 +822,28 @@ public function login($credentials, $options = array())
 					{
 						return false;
 					}
-
-					// Return the error.
-					switch ($authorisation->status)
+					// If the user has duplicated request for login ignore the duplicate attempt's message.
+					if ($previousauth != $authorisation)
 					{
-						case JAuthentication::STATUS_EXPIRED:
+						// Return the error.
+						switch ($authorisation->status)
+						{
+							case JAuthentication::STATUS_EXPIRED:
 							return JError::raiseWarning('102002', JText::_('JLIB_LOGIN_EXPIRED'));
 
 							break;
 
-						case JAuthentication::STATUS_DENIED:
+							case JAuthentication::STATUS_DENIED:
 							return JError::raiseWarning('102003', JText::_('JLIB_LOGIN_DENIED'));
 
 							break;
 
-						default:
+							default:
 							return JError::raiseWarning('102004', JText::_('JLIB_LOGIN_AUTHORISATION'));
 
 							break;
+						}
+						$previousauth = $authorisation;
 					}
 				}
 			}