diff --git a/src/main/java/org/jenkinsci/plugins/googlelogin/GoogleOAuth2SecurityRealm.java b/src/main/java/org/jenkinsci/plugins/googlelogin/GoogleOAuth2SecurityRealm.java
index 1559946..3b69ddb 100644
--- a/src/main/java/org/jenkinsci/plugins/googlelogin/GoogleOAuth2SecurityRealm.java
+++ b/src/main/java/org/jenkinsci/plugins/googlelogin/GoogleOAuth2SecurityRealm.java
@@ -177,7 +177,7 @@ public Authentication authenticate(Authentication authentication) throws Authent
 
     @Override
     protected String getPostLogOutUrl(StaplerRequest req, Authentication auth) {
-        return "securityRealm/loggedOut";
+        return req.getContextPath() + "/securityRealm/loggedOut";
     }
 
     /**