diff --git a/adapters/vnfm_generic/polld/vnfm_generic_poll.php b/adapters/vnfm_generic/polld/vnfm_generic_poll.php
index 85cfe3b1..1abecad4 100644
--- a/adapters/vnfm_generic/polld/vnfm_generic_poll.php
+++ b/adapters/vnfm_generic/polld/vnfm_generic_poll.php
@@ -187,7 +187,7 @@ function get_health($PROTOCOL, $ME_IP, $HTTP_PORT, $BASE_URL_MS, $TOKEN, $auth_m
     $missing_conf_vars[] = $conf_var_name;
   }
 }
-if (!empty($missing_conf_vars))
+if (empty($missing_conf_vars))
 {
   sms_log_error("Error: missing config vars for polling: " . implode(', ', $missing_conf_vars));
   return ERR_SD_NOT_CONFIGURED;