diff --git a/.appveyor.yml b/.appveyor.yml
index 89a3824f..823d480f 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -3,6 +3,7 @@ configuration: Release
 platform: Any CPU
 environment:
   NSISDIR: C:\Program Files (x86)\NSIS
+  MSVCDIR: C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build
   matrix:
   - QTDIR: C:\Qt\5.14\msvc2017
     VCVARS: vcvars32.bat
@@ -15,12 +16,12 @@ environment:
     NSI: gpxsee64.nsi
     OPENSSLDIR: C:\OpenSSL-v111-Win64\bin
     LIBCRYPTO: libssl-1_1-x64.dll
-    LIBSSL: libcrypto-1_1-x64.dll
+    LIBSSL: libcrypto-1_1-x64.dll    
 install:
 - cmd: >-
     set PATH=%QTDIR%\bin;%NSISDIR%;%PATH%
 
-    call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\"%VCVARS%
+    "%MSVCDIR%\%VCVARS%"
 
 build_script:
 - cmd: >-