diff --git a/scripts/build/Platform/Windows/installer_windows.cmd b/scripts/build/Platform/Windows/installer_windows.cmd
index 6f793cab64..87f53adc7f 100644
--- a/scripts/build/Platform/Windows/installer_windows.cmd
+++ b/scripts/build/Platform/Windows/installer_windows.cmd
@@ -48,7 +48,7 @@ IF ERRORLEVEL 1 (
 )
 
 IF NOT "%CPACK_BUCKET%"=="" (
-    SET "CPACK_OPTIONS=-DCPACK_UPLOAD_URL=s3://%CPACK_BUCKET% %CPACK_OPTIONS%"
+    SET "CPACK_OPTIONS=-D CPACK_UPLOAD_URL=s3://%CPACK_BUCKET% %CPACK_OPTIONS%"
 )
 
 ECHO [ci_build] "!CPACK_PATH!" -C %CONFIGURATION% %CPACK_OPTIONS%