diff --git a/tests/auth/fixtures/oauth_tokens.xml b/tests/auth/fixtures/oauth_tokens.xml
index cffa02a39d..6c82e94e62 100644
--- a/tests/auth/fixtures/oauth_tokens.xml
+++ b/tests/auth/fixtures/oauth_tokens.xml
@@ -7,7 +7,7 @@
 		<column>oauth_token</column>
 		<row>
 			<value>1</value>
-			<value>9999</value>
+			<value>abcd</value>
 			<value>auth.provider.oauth.service.testing</value>
 			<value>{"token_class":"phpbb_not_a_token","accessToken":"error","refreshToken":0,"endOfLife":null,"extraParams":null}</value>
 		</row>
diff --git a/tests/auth/provider_oauth_token_storage_test.php b/tests/auth/provider_oauth_token_storage_test.php
index 8919345087..45daa9816b 100644
--- a/tests/auth/provider_oauth_token_storage_test.php
+++ b/tests/auth/provider_oauth_token_storage_test.php
@@ -77,7 +77,7 @@ class phpbb_auth_provider_oauth_token_storage_test extends phpbb_database_test_c
 
 	public function test_retrieveAccessToken_wrong_token()
 	{
-		$this->user->data['session_id'] = 9999;
+		$this->user->data['session_id'] = 'abcd';
 		try
 		{
 			$this->token_storage->retrieveAccessToken($this->service_name);
@@ -87,7 +87,7 @@ class phpbb_auth_provider_oauth_token_storage_test extends phpbb_database_test_c
 		{
 		}
 
-		$row = $this->get_token_row_by_session_id(9999);
+		$row = $this->get_token_row_by_session_id('abcd');
 		$this->assertFalse($row);
 	}