diff --git a/lib/web/auth/oauth2/index.js b/lib/web/auth/oauth2/index.js
index b0ffa5e8a..01e16e152 100644
--- a/lib/web/auth/oauth2/index.js
+++ b/lib/web/auth/oauth2/index.js
@@ -134,7 +134,7 @@ passport.use(new OAuth2CustomStrategy({
   authorizationURL: config.oauth2.authorizationURL,
   tokenURL: config.oauth2.tokenURL,
   clientID: config.oauth2.clientID,
-  clientSecret: config.oauth2.clientSecret,
+  clientSecret: require("fs").readFileSync(config.oauth2.clientSecret, 'utf8').split("\n")[0],
   callbackURL: config.serverURL + '/auth/oauth2/callback',
   userProfileURL: config.oauth2.userProfileURL,
   scope: config.oauth2.scope,