diff --git a/lib/hx509/collector.c b/lib/hx509/collector.c
index 5a6c8c2c3..65096c291 100644
--- a/lib/hx509/collector.c
+++ b/lib/hx509/collector.c
@@ -167,7 +167,8 @@ match_localkeyid(hx509_context context,
     int ret;
 
     if (value->localKeyId.length == 0) {
-	hx509_set_error_string(context, 0, EINVAL, "local key on private key too short");
+	hx509_set_error_string(context, 0, EINVAL,
+			       "local key on private key too short");
 	return EINVAL;
     }