diff --git a/lib/SimpleSAML/Auth/Source.php b/lib/SimpleSAML/Auth/Source.php
index 9009fb1005c1fdd2234185c8595cc4210d0657b7..b9cceb41eb472aa6075cfe12646b84803a1264eb 100644
--- a/lib/SimpleSAML/Auth/Source.php
+++ b/lib/SimpleSAML/Auth/Source.php
@@ -166,18 +166,23 @@ abstract class SimpleSAML_Auth_Source
         assert('is_string($errorURL) || is_null($errorURL)');
 
         $state = array_merge($params, array(
-            'SimpleSAML_Auth_Default.id' => $this->authId,
-            'SimpleSAML_Auth_Default.Return' => $return,
-            'SimpleSAML_Auth_Default.ErrorURL' => $errorURL,
+            'SimpleSAML_Auth_Default.id' => $this->authId, // TODO: remove in 2.0
+            'SimpleSAML_Auth_Source.id' => $this->authId,
+            'SimpleSAML_Auth_Default.Return' => $return, // TODO: remove in 2.0
+            'SimpleSAML_Auth_Source.Return' => $return,
+            'SimpleSAML_Auth_Default.ErrorURL' => $errorURL, // TODO: remove in 2.0
+            'SimpleSAML_Auth_Source.ErrorURL' => $errorURL,
             'LoginCompletedHandler' => array(get_class(), 'loginCompleted'),
             'LogoutCallback' => array(get_class(), 'logoutCallback'),
             'LogoutCallbackState' => array(
-                'SimpleSAML_Auth_Default.logoutSource' => $this->authId,
+                'SimpleSAML_Auth_Default.logoutSource' => $this->authId, // TODO: remove in 2.0
+                'SimpleSAML_Auth_Source.logoutSource' => $this->authId,
             ),
         ));
 
         if (is_string($return)) {
-            $state['SimpleSAML_Auth_Default.ReturnURL'] = $return;
+            $state['SimpleSAML_Auth_Default.ReturnURL'] = $return; // TODO: remove in 2.0
+            $state['SimpleSAML_Auth_Source.ReturnURL'] = $return;
         }
 
         if ($errorURL !== null) {
@@ -206,16 +211,16 @@ abstract class SimpleSAML_Auth_Source
     public static function loginCompleted($state)
     {
         assert('is_array($state)');
-        assert('array_key_exists("SimpleSAML_Auth_Default.Return", $state)');
-        assert('array_key_exists("SimpleSAML_Auth_Default.id", $state)');
+        assert('array_key_exists("SimpleSAML_Auth_Source.Return", $state)');
+        assert('array_key_exists("SimpleSAML_Auth_Source.id", $state)');
         assert('array_key_exists("Attributes", $state)');
         assert('!array_key_exists("LogoutState", $state) || is_array($state["LogoutState"])');
 
-        $return = $state['SimpleSAML_Auth_Default.Return'];
+        $return = $state['SimpleSAML_Auth_Source.Return'];
 
         // save session state
         $session = SimpleSAML_Session::getSessionFromRequest();
-        $authId = $state['SimpleSAML_Auth_Default.id'];
+        $authId = $state['SimpleSAML_Auth_Source.id'];
         $session->doLogin($authId, SimpleSAML_Auth_State::getPersistentAuthData($state));
 
         if (is_string($return)) { // redirect...
@@ -358,9 +363,9 @@ abstract class SimpleSAML_Auth_Source
     public static function logoutCallback($state)
     {
         assert('is_array($state)');
-        assert('array_key_exists("SimpleSAML_Auth_Default.logoutSource", $state)');
+        assert('array_key_exists("SimpleSAML_Auth_Source.logoutSource", $state)');
 
-        $source = $state['SimpleSAML_Auth_Default.logoutSource'];
+        $source = $state['SimpleSAML_Auth_Source.logoutSource'];
 
         $session = SimpleSAML_Session::getSessionFromRequest();
         if (!$session->isValid($source)) {
diff --git a/modules/multiauth/www/selectsource.php b/modules/multiauth/www/selectsource.php
index 8881d86ec0d777c31ee4f144cf2154aad35dce1a..25119576d4735fbc25db6ea0ff68f2ffc9e210cd 100644
--- a/modules/multiauth/www/selectsource.php
+++ b/modules/multiauth/www/selectsource.php
@@ -17,8 +17,8 @@ if (!array_key_exists('AuthState', $_REQUEST)) {
 $authStateId = $_REQUEST['AuthState'];
 $state = SimpleSAML_Auth_State::loadState($authStateId, sspmod_multiauth_Auth_Source_MultiAuth::STAGEID);
 
-if (array_key_exists("SimpleSAML_Auth_Default.id", $state)) {
-	$authId = $state["SimpleSAML_Auth_Default.id"];
+if (array_key_exists("SimpleSAML_Auth_Source.id", $state)) {
+	$authId = $state["SimpleSAML_Auth_Source.id"];
 	$as = SimpleSAML_Auth_Source::getById($authId);
 } else {
 	$as = NULL;
diff --git a/modules/saml/lib/Auth/Source/SP.php b/modules/saml/lib/Auth/Source/SP.php
index 1411b05bde5c109c7e4fb2936377d5ec2a00df1f..1747ffe4bb51a860d6ea48e79cdac7be63bde379 100644
--- a/modules/saml/lib/Auth/Source/SP.php
+++ b/modules/saml/lib/Auth/Source/SP.php
@@ -188,8 +188,8 @@ class sspmod_saml_Auth_Source_SP extends SimpleSAML_Auth_Source {
 
 		$ar->setAssertionConsumerServiceURL(SimpleSAML_Module::getModuleURL('saml/sp/saml2-acs.php/' . $this->authId));
 
-		if (isset($state['SimpleSAML_Auth_Default.ReturnURL'])) {
-			$ar->setRelayState($state['SimpleSAML_Auth_Default.ReturnURL']);
+		if (isset($state['SimpleSAML_Auth_Source.ReturnURL'])) {
+			$ar->setRelayState($state['SimpleSAML_Auth_Source.ReturnURL']);
 		}
 
 		if (isset($state['saml:AuthnContextClassRef'])) {
diff --git a/modules/saml/www/sp/saml2-acs.php b/modules/saml/www/sp/saml2-acs.php
index 624f7cca73a18cde7b736c8aa1b10dfed24c93a7..26e8ceb3e26d57253585571f4de640a3b7a82bc1 100644
--- a/modules/saml/www/sp/saml2-acs.php
+++ b/modules/saml/www/sp/saml2-acs.php
@@ -217,8 +217,8 @@ $state['saml:sp:prevAuth'] = array(
     'id'     => $response->getId(),
     'issuer' => $idp,
 );
-if (isset($state['SimpleSAML_Auth_Default.ReturnURL'])) {
-    $state['saml:sp:prevAuth']['redirect'] = $state['SimpleSAML_Auth_Default.ReturnURL'];
+if (isset($state['SimpleSAML_Auth_Source.ReturnURL'])) {
+    $state['saml:sp:prevAuth']['redirect'] = $state['SimpleSAML_Auth_Source.ReturnURL'];
 } elseif (isset($state['saml:sp:RelayState'])) {
     $state['saml:sp:prevAuth']['redirect'] = $state['saml:sp:RelayState'];
 }