diff --git a/bin/as.bat b/bin/as.bat
index 18bd402e7..4521356ee 100755
--- a/bin/as.bat
+++ b/bin/as.bat
@@ -115,5 +115,5 @@ IF %ERRORLEVEL% NEQ 0 (
 )
 
 :exit_bat
-if %exitProcess%==1 exit %ERROR_CODE%
+if "%exitProcess%"=="1" exit %ERROR_CODE%
 exit /B %ERROR_CODE%