diff --git a/hummingbot/connector/exchange/mexc/mexc_exchange.py b/hummingbot/connector/exchange/mexc/mexc_exchange.py
index 9cf76ad2a79..60018e286a0 100644
--- a/hummingbot/connector/exchange/mexc/mexc_exchange.py
+++ b/hummingbot/connector/exchange/mexc/mexc_exchange.py
@@ -875,7 +875,7 @@ async def cancel_all(self, timeout_seconds: float) -> List[CancellationResult]:
                     self.logger().network(
                         f"Failed to cancel all orders: {this_turn_cancel_order_ids}" + repr(ex),
                         exc_info=True,
-                        app_warning_msg=f"Failed to cancel all orders on Mexc. Check API key and network connection."
+                        app_warning_msg="Failed to cancel all orders on Mexc. Check API key and network connection."
                     )
         return cancellation_results
 
diff --git a/test/hummingbot/connector/exchange/mexc/test_mexc_exchange.py b/test/hummingbot/connector/exchange/mexc/test_mexc_exchange.py
index bb33f39bfb3..3c6f4221bca 100644
--- a/test/hummingbot/connector/exchange/mexc/test_mexc_exchange.py
+++ b/test/hummingbot/connector/exchange/mexc/test_mexc_exchange.py
@@ -1022,7 +1022,7 @@ def test_execute_cancel_fail(self, mock_cancel, mock_main_app):
             self.exchange.execute_cancel(self.trading_pair, order.client_order_id)
         )
 
-        self._is_logged("NETWORK", f"Failed to cancel order 0 : MexcAPIError('Order could not be canceled')")
+        self._is_logged("NETWORK", "Failed to cancel order 0 : MexcAPIError('Order could not be canceled')")
 
     @patch("aiohttp.ClientSession.request", new_callable=AsyncMock)
     def test_execute_cancel_cancels(self, mock_cancel):