diff --git a/crates/colibri-mcp/src/lib.rs b/crates/colibri-mcp/src/lib.rs
index e9071ca..198d748 100644
--- a/crates/colibri-mcp/src/lib.rs
+++ b/crates/colibri-mcp/src/lib.rs
@@ -321,7 +321,7 @@ pub async fn dispatch_tool(
                 .get("status")
                 .and_then(|v| v.as_str())
                 .map(|s| s.to_string());
-            let all_tasks = client.list_tasks(status.as_deref()).await.map_err(map_client_error)?;
+            let all_tasks = client.list_tasks(status).await.map_err(map_client_error)?;
             Ok(tool_text(all_tasks))
         }
         "colibri_external_mcp_servers" => {