diff --git a/lib/core-net/client/connect2.c b/lib/core-net/client/connect2.c
index 5ac11e6b1..0ccb3cb55 100644
--- a/lib/core-net/client/connect2.c
+++ b/lib/core-net/client/connect2.c
@@ -352,7 +352,7 @@ solo:
 			 */
 			wsi->client_suppress_CONNECTION_ERROR = 0;
 			lws_inform_client_conn_fail(wsi, (void *)dns_nxdomain,
-						    sizeof(*dns_nxdomain));
+						    strlen(dns_nxdomain));
 			goto failed1;
 		}
 #endif