diff --git a/crates/acp_thread/src/acp_thread.rs b/crates/acp_thread/src/acp_thread.rs
index 1c4b0ec06f..841d320796 100644
--- a/crates/acp_thread/src/acp_thread.rs
+++ b/crates/acp_thread/src/acp_thread.rs
@@ -1601,6 +1601,7 @@ mod tests {
             };
 
             AcpThread::new(
+                "test",
                 Rc::new(connection),
                 project,
                 acp::SessionId("test".into()),