diff --git a/data_from_portwine/scripts/functions_helper b/data_from_portwine/scripts/functions_helper
index a8de34bf..c961514f 100755
--- a/data_from_portwine/scripts/functions_helper
+++ b/data_from_portwine/scripts/functions_helper
@@ -4491,7 +4491,7 @@ fi
                 ;;
         esac
     elif [[ "${PW_USE_LS_FRAME_GEN}" == "1" ]] ; then
-        export MESA_VK_WSI_PRESENT_MODE="relaxed"
+        export MESA_VK_WSI_PRESENT_MODE="immediate"
         unset vblank_mode __GL_SYNC_TO_VBLANK
     fi