diff --git a/tools/run-tests.bat b/tools/run-tests.bat
index 3187f63f..b449cbdb 100755
--- a/tools/run-tests.bat
+++ b/tools/run-tests.bat
@@ -721,7 +721,7 @@ cd L: >nul 2>nul || (echo Unable to find drive L: >&2 & goto fail)
 L:
 if X%5==XNOEXCL (
     "%ProjRoot%\build\VStudio\build\%Configuration%\%4.exe" ^
-        --external --resilient
+        --external --resilient --case-insensitive-cmp
 ) else (
     "%ProjRoot%\build\VStudio\build\%Configuration%\%4.exe" ^
         --external --resilient --case-insensitive-cmp --share-prefix="\%1\%TMP::=$%\%1\test" ^