diff --git a/src/util-error.c b/src/util-error.c
index 2ffb0df885..52884efda4 100644
--- a/src/util-error.c
+++ b/src/util-error.c
@@ -279,6 +279,7 @@ const char * SCErrorToString(SCError err)
         CASE_CODE (SC_WARN_XFF_INVALID_MODE);
         CASE_CODE (SC_WARN_XFF_INVALID_HEADER);
         CASE_CODE (SC_ERR_THRESHOLD_SETUP);
+        CASE_CODE (SC_ERR_DNS_CONFIG);
     }
 
     return "UNKNOWN_ERROR";