diff --git a/PYREN.BAT b/PYREN.BAT
index c0cae35..65dab5f 100644
--- a/PYREN.BAT
+++ b/PYREN.BAT
@@ -1,5 +1,5 @@
 @echo off
 echo Run's app ...
-rem uses python3
-python3.exe main.py
+for /f %%i in ('python -c "import sys; print(sys.executable)"') do set FULL_PATH_PYTHON3=%%i
+%FULL_PATH_PYTHON3% main.py
 pause