diff --git a/tools/vcvarsall.bat b/tools/vcvarsall.bat
index 96f1faa9..8a9f0de9 100755
--- a/tools/vcvarsall.bat
+++ b/tools/vcvarsall.bat
@@ -2,7 +2,9 @@
 
 set vcvarsall="%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat"
 set vswhere="%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
-for /f "usebackq tokens=*" %%i in (`%vswhere% -find VC\**\vcvarsall.bat`) do (
-    set vcvarsall="%%i"
+if exist "%vswhere%" (
+    for /f "usebackq tokens=*" %%i in (`%vswhere% -find VC\**\vcvarsall.bat`) do (
+        set vcvarsall="%%i"
+    )
 )
 call %vcvarsall% %*