diff --git a/launch/launch/actions/execute_process.py b/launch/launch/actions/execute_process.py
index bd3db6b1a..a5bf39e4e 100644
--- a/launch/launch/actions/execute_process.py
+++ b/launch/launch/actions/execute_process.py
@@ -533,7 +533,7 @@ async def __execute_process(self, context: LaunchContext) -> None:
         #     https://github.com/ros2/launch/issues/268
         if emulate_tty and platform.system() == 'Windows':
             self.__logger.warning(
-                "tty emulation not yet supported on windows, disabling"
+                'tty emulation not yet supported on windows, disabling'
             )
             emulate_tty = False
         try: