diff --git a/core/src/validator.rs b/core/src/validator.rs
index 40f1d7cdba..a5367c2dea 100644
--- a/core/src/validator.rs
+++ b/core/src/validator.rs
@@ -231,6 +231,7 @@ impl Default for ValidatorConfig {
 impl ValidatorConfig {
     pub fn default_for_test() -> Self {
         Self {
+            enforce_ulimit_nofile: false,
             rpc_config: JsonRpcConfig::default_for_test(),
             ..Self::default()
         }