diff --git a/src/agent/src/rpc.rs b/src/agent/src/rpc.rs
index 934bccb974..c71bc7f3af 100644
--- a/src/agent/src/rpc.rs
+++ b/src/agent/src/rpc.rs
@@ -1676,6 +1676,7 @@ mod tests {
         TtrpcContext {
             fd: -1,
             mh: MessageHeader::default(),
+            metadata: std::collections::HashMap::new(),
         }
     }