diff --git a/rapyuta_io/clients/device.py b/rapyuta_io/clients/device.py
index a008f13..74c17cb 100644
--- a/rapyuta_io/clients/device.py
+++ b/rapyuta_io/clients/device.py
@@ -605,7 +605,7 @@ def fetch_command_result(self, jid: str, deviceids: list, timeout: int, interval
                 result = get_api_response_data(response)
                 return result[deviceids[0]]
             sleep(wait_interval)
-            total_time_waited += wait_interval
+            time_elapsed += wait_interval
         raise TimeoutError(f"Command result not available after {timeout} seconds")
 
     def get_config_variables(self):