diff --git a/win/build-deps.cmd b/win/build-deps.cmd
index 2f54a93aae..854f901ecf 100644
--- a/win/build-deps.cmd
+++ b/win/build-deps.cmd
@@ -810,7 +810,7 @@ IF "%QT6_TARGET_INSTALLED%"=="TRUE" IF "%QT6_HOST_INSTALLED%"=="TRUE" (
 )
 
 set AQT_PYTHON=python
-IF "%IFCOS_INSTALL_PYTHON%"=="TRUE" IF EXIST "%PYTHONHOME%\python.exe" set AQT_PYTHON="%PYTHONHOME%\python.exe"
+IF "%IFCOS_INSTALL_PYTHON%"=="TRUE" set AQT_PYTHON="%PYTHONHOME%\python.exe"
 
 %AQT_PYTHON% -m pip install --upgrade aqtinstall
 IF NOT %ERRORLEVEL%==0 GOTO :Error
diff --git a/win/installers.py b/win/installers.py
index 434703d107..c810c75a67 100644
--- a/win/installers.py
+++ b/win/installers.py
@@ -848,7 +848,7 @@ def install_qt6(
         mark_installation(QT6_INSTALL_DIR, build_cfg)
         return
 
-    if pythonhome is not None and (pythonhome / "python.exe").exists():
+    if pythonhome is not None:
         AQT_PYTHON = str(pythonhome / "python.exe")
     else:
         AQT_PYTHON = require_command("python")