diff --git a/crates/chat-cli/src/cli/chat/mod.rs b/crates/chat-cli/src/cli/chat/mod.rs
index 6a8038529d..0389cacb7c 100644
--- a/crates/chat-cli/src/cli/chat/mod.rs
+++ b/crates/chat-cli/src/cli/chat/mod.rs
@@ -3269,6 +3269,8 @@ impl ChatSession {
             .await
             .map_err(|e| ChatError::Custom(format!("failed to print tool, `{}`: {}", tool_use.name, e).into()))?;
 
+        self.stdout.flush()?;
+
         Ok(())
     }