diff --git a/backend/windmill-mcp/src/lib.rs b/backend/windmill-mcp/src/lib.rs
index eb3df05b08..bf05dc7c45 100644
--- a/backend/windmill-mcp/src/lib.rs
+++ b/backend/windmill-mcp/src/lib.rs
@@ -179,7 +179,7 @@ impl McpClient {
 
         let result = self
             .client
-            .call_tool(CallToolRequestParam { name: name.to_string().into(), arguments: mcp_args })
+            .call_tool(CallToolRequestParam { name: name.to_string().into(), arguments: mcp_args, task: None })
             .await
             .context(format!("Failed to call MCP tool: {}", name))?;