diff --git a/lib/OpenQA/Worker/WebUIConnection.pm b/lib/OpenQA/Worker/WebUIConnection.pm
index 137e14728b5..81687e9c5c1 100644
--- a/lib/OpenQA/Worker/WebUIConnection.pm
+++ b/lib/OpenQA/Worker/WebUIConnection.pm
@@ -157,6 +157,11 @@ sub _setup_websocket_connection ($self, $websocket_url = undef) {
 
                 my $error = $tx->error;
                 my $error_message = "Unable to upgrade to ws connection via $websocket_url";
+
+                if ($tx->res->error && $tx->res->error->{message}) {
+                    $error_message .= sprintf(", %s in %s", $tx->res->error->{message}, $tx->req->url);
+                }
+
                 $error_message .= ", code $error->{code}" if ($error && $error->{code});
                 $self->_set_status(failed => {error_message => $error_message});
                 return undef;