diff --git a/warden3/warden_server/warden_server.py b/warden3/warden_server/warden_server.py
index 90d1bd1f856492c58d6d9b50728eb083db956895..4c20d0395b462b820dff5163a18b9d72e11d083b 100755
--- a/warden3/warden_server/warden_server.py
+++ b/warden3/warden_server/warden_server.py
@@ -360,10 +360,11 @@ class X509Authenticator(PlainAuthenticator):
     def is_verified_by_apache(self, env, args):
         # Allows correct work while SSLVerifyClient both "optional" and "required"
         verify = env.get("SSL_CLIENT_VERIFY")
-        if verify != "SUCCESS":
-            exception = self.req.error(message="authenticate: certificate verification failed", error=403, args = args, ssl_client_verify=verify, cert=env.get("SSL_CLIENT_CERT"))
-            exception.log(self.log)
-            return None
+        if verify == "SUCCESS":
+            return True
+        exception = self.req.error(message="authenticate: certificate verification failed", error=403, args = args, ssl_client_verify=verify, cert=env.get("SSL_CLIENT_CERT"))
+        exception.log(self.log)
+        return False
 
 
     def authenticate(self, env, args):