diff --git a/appveyor.yml b/appveyor.yml
index 170ecd0..67b35f1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -21,7 +21,7 @@ assembly_info:
   assembly_informational_version: '{version}'  
 install:
   - ps: iex ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/appveyor/secure-file/master/install.ps1'))
-  - cmd: appveyor-tools\secure-file -decrypt cert.enc -secret %pwe% -salt %senc%
+  - cmd: if "%pwe%" NEQ "" (appveyor-tools\secure-file -decrypt cert.enc -secret %pwe% -salt %senc%)
 before_build:
 - cmd: premake5.exe vs2017
 - ps: >-
diff --git a/sign.bat b/sign.bat
index 3498fad..24b4bd8 100644
--- a/sign.bat
+++ b/sign.bat
@@ -1,8 +1,16 @@
-@echo off
+REM @echo off
+if not defined (cenc) goto end
+%comspec% /k "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\Tools\VsDevCmd.bat"
 IF %PLATFORM%==Win32 (
      signtool sign /t http://timestamp.globalsign.com/scripts/timstamp.dll /f "cert" /p %cenc% /d .\build\bin\release\output\OpenParrot.dll .\build\bin\release\output\OpenParrot.dll
      signtool sign /t http://timestamp.globalsign.com/scripts/timstamp.dll /f "cert" /p %cenc% /d .\build\bin\release\output\OpenParrotLoader.exe .\build\bin\release\output\OpenParrotLoader.exe
      signtool sign /t http://timestamp.globalsign.com/scripts/timstamp.dll /f "cert" /p %cenc% /d .\build\bin\release\output\OpenParrotKonamiLoader.exe .\build\bin\release\output\OpenParrotKonamiLoader.exe) ELSE (IF %PLATFORM%==x64 (
       signtool sign /t http://timestamp.globalsign.com/scripts/timstamp.dll /f "cert" /p %cenc% /d .\build\bin\release\output\OpenParrot64.dll .\build\bin\release\output\OpenParrot64.dll
       signtool sign /t http://timestamp.globalsign.com/scripts/timstamp.dll /f "cert" /p %cenc% /d .\build\bin\release\output\OpenParrotLoader64.exe .\build\bin\release\output\OpenParrotLoader64.exe
-    ))
\ No newline at end of file
+    )
+	)
+exit
+	
+:end
+echo Pull Request
+exit
\ No newline at end of file