diff --git a/.appveyor/build.bat b/.appveyor/build.bat
index 8e2e80d70..e2c6b553f 100644
--- a/.appveyor/build.bat
+++ b/.appveyor/build.bat
@@ -40,7 +40,7 @@ REM Build with Ninja
 ninja.exe || exit /B 1
 
 REM If this is a pull request, no further packaging/deploying needs to be done
-if "%APPVEYOR_PULL_REQUEST_NUMBER%" == "" goto end
+if NOT "%APPVEYOR_PULL_REQUEST_NUMBER%" == "" goto end
 
 REM Start building package
 mkdir olive-editor