diff --git a/src/config/mod.rs b/src/config/mod.rs
index b8da547..c4cc9ad 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -1038,7 +1038,7 @@ mod tests {
         }
     },
     "gateway": {
-        "host": "0.0.0.0",
+        "host": "127.0.0.1",
         "port": 19876,
         "agent_prompt_reinject_every": 120
     }
@@ -1139,7 +1139,7 @@ mod tests {
     fn test_default_gateway_config() {
         let file = write_test_config();
         let config = Config::load(file.path().to_str().unwrap()).unwrap();
-        assert_eq!(config.gateway.host, "0.0.0.0");
+        assert_eq!(config.gateway.host, "127.0.0.1");
         assert_eq!(config.gateway.port, 19876);
         assert!(!config.gateway.show_tool_results);
         assert_eq!(config.gateway.agent_prompt_reinject_every, 120);