diff --git a/run.bat b/run.bat
index c689dda16..aecbf2491 100755
--- a/run.bat
+++ b/run.bat
@@ -9,6 +9,8 @@ set QTWEBENGINE_CHROMIUM_FLAGS=--remote-allow-origins=http://localhost:8080
 set ANKI_API_PORT=40000
 set ANKI_API_HOST=127.0.0.1
 
+@if not defined PYENV set PYENV=out\pyenv
+  
 call tools\ninja pylib qt || exit /b 1
-.\out\pyenv\scripts\python tools\run.py %* || exit /b 1
+%PYENV%\Scripts\python tools\run.py %* || exit /b 1
 popd