diff --git a/launch.sh b/launch.sh
index 8f43f0d1..72dcab7e 100755
--- a/launch.sh
+++ b/launch.sh
@@ -7,5 +7,5 @@ then
 else
     args="0.8.3-dev"
 fi
-exec python3 -OO "$poezio_dir/src/poezio.py" -v "$args" "$@"
+exec python3 "$poezio_dir/src/poezio.py" -v "$args" "$@"