diff --git a/SandboxiePlus/qmake_plus.cmd b/SandboxiePlus/qmake_plus.cmd
index 239a58c4..c5124635 100644
--- a/SandboxiePlus/qmake_plus.cmd
+++ b/SandboxiePlus/qmake_plus.cmd
@@ -6,9 +6,13 @@ echo arch: %1
 set my_dir=%~dp0
 
 IF %1 == Win32 (
+  "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars32.bat"
+
 	set qt_path=%my_dir%..\..\Qt\5.15.1\msvc2019
 )
 IF %1 == x64 (
+  "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
+
 	set qt_path=%my_dir%..\..\Qt\5.15.1\msvc2019_64
 )