diff --git a/common/framework/session.php b/common/framework/session.php
index 1740856db..de67c1999 100644
--- a/common/framework/session.php
+++ b/common/framework/session.php
@@ -353,9 +353,13 @@ class Session
 		{
 			self::login($member_srl, false);
 		}
+		else
+		{
+			$_SESSION['member_srl'] = false;
+		}
 		
 		// Try autologin.
-		elseif (self::$_autologin_key)
+		if (!$member_srl && self::$_autologin_key)
 		{
 			$member_srl = getController('member')->doAutologin(self::$_autologin_key);
 			if ($member_srl && self::isValid($member_srl))
diff --git a/tests/unit/framework/SessionTest.php b/tests/unit/framework/SessionTest.php
index 5ca61074c..806da9ee3 100644
--- a/tests/unit/framework/SessionTest.php
+++ b/tests/unit/framework/SessionTest.php
@@ -238,6 +238,34 @@ class SessionTest extends \Codeception\TestCase\Test
 		Rhymix\Framework\Session::close();
 	}
 	
+	public function testIsValid()
+	{
+		Rhymix\Framework\Session::start();
+
+		$member_srl = 4;
+		Rhymix\Framework\Session::login($member_srl);
+		
+		$invalid_before = time() - 300;
+		$filename = \RX_BASEDIR . sprintf('files/member_extra_info/invalid_before/%s%d.txt', getNumberingPath($member_srl), $member_srl);
+		Rhymix\Framework\Storage::write($filename, $invalid_before);
+		Rhymix\Framework\Cache::set(sprintf('session:invalid_before:%d', $member_srl), $invalid_before);
+		$this->assertTrue(Rhymix\Framework\Session::isValid());
+		
+		$invalid_before = time() + 300;
+		$filename = \RX_BASEDIR . sprintf('files/member_extra_info/invalid_before/%s%d.txt', getNumberingPath($member_srl), $member_srl);
+		Rhymix\Framework\Storage::write($filename, $invalid_before);
+		Rhymix\Framework\Cache::set(sprintf('session:invalid_before:%d', $member_srl), $invalid_before);
+		$this->assertFalse(Rhymix\Framework\Session::isValid());
+		
+		$invalid_before = time();
+		$filename = \RX_BASEDIR . sprintf('files/member_extra_info/invalid_before/%s%d.txt', getNumberingPath($member_srl), $member_srl);
+		Rhymix\Framework\Storage::write($filename, $invalid_before);
+		Rhymix\Framework\Cache::set(sprintf('session:invalid_before:%d', $member_srl), $invalid_before);
+		$this->assertTrue(Rhymix\Framework\Session::isValid());
+		
+		Rhymix\Framework\Session::close();
+	}
+	
 	public function testGetMemberSrl()
 	{
 		Rhymix\Framework\Session::start();