diff --git a/SoObjects/SOGo/SOGoSAML2Session.m b/SoObjects/SOGo/SOGoSAML2Session.m
index 4cd4750e1..01c6f4bb2 100644
--- a/SoObjects/SOGo/SOGoSAML2Session.m
+++ b/SoObjects/SOGo/SOGoSAML2Session.m
@@ -381,6 +381,7 @@ LassoServerInContext (WOContext *context)
 
   responseData = strdup ([authnResponse UTF8String]);
 
+  lasso_profile_set_signature_verify_hint(lassoLogin, LASSO_PROFILE_SIGNATURE_VERIFY_HINT_IGNORE);
   rc = lasso_login_process_authn_response_msg (lassoLogin, responseData);
   if (rc)
     [NSException raiseSAML2Exception: rc];