diff --git a/lib/hub.c b/lib/hub.c
index dbc0060..0a668d9 100644
--- a/lib/hub.c
+++ b/lib/hub.c
@@ -770,7 +770,8 @@ static int __verify_certcall(int preverify_ok, X509_STORE_CTX *ctx)
   /* ok, now we're on top of SSL (depth == 0) certs chain,
    * and we can validate client certificate */
   if(!depth) {
-    link->pctx->certid = ASN1_INTEGER_get((const ASN1_INTEGER *)X509_get_serialNumber(ctx->current_cert));
+    link->pctx->certid =
+      ASN1_INTEGER_get((const ASN1_INTEGER *)X509_get_serialNumber(ctx->current_cert));
     /* now we're need to check the ssl cert */
     if(hub->validate_sslpem) {
       if(hub->validate_sslpem(link)) return 0;