diff --git a/src/dipdup/datasources/__init__.py b/src/dipdup/datasources/__init__.py
index aa8acd06a..9617020d6 100644
--- a/src/dipdup/datasources/__init__.py
+++ b/src/dipdup/datasources/__init__.py
@@ -176,7 +176,7 @@ async def _jsonrpc_request(
         raw: bool = False,
         ws: bool = False,
     ) -> Any:
-        request_id = uuid4().hex
+        request_id = int(uuid4())
         request = {
             'jsonrpc': '2.0',
             'id': request_id,