diff --git a/core/src/client.rs b/core/src/client.rs
index 1fa8376a..14134acf 100644
--- a/core/src/client.rs
+++ b/core/src/client.rs
@@ -339,7 +339,7 @@ impl APIClient {
     }
 
     fn gen_query_id(&self) -> String {
-        uuid::Uuid::new_v4().to_string()
+        uuid::Uuid::new_v4().simple().to_string()
     }
 
     async fn handle_session(&self, session: &Option<SessionState>) {