diff --git a/test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh b/test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh
index 47367f7de82b7612b5c400390edabd9e839302af..71e07441ce2d58867305bb2f8536887c6fe47f79 100644
--- a/test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh
+++ b/test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh
@@ -55,7 +55,7 @@ case "$OS" in
   Linux )
     FS="/"
     ;;
-  Windows* )
+  Windows* | CYGWIN* )
     FS="\\"
     ;;
 esac