diff --git a/test/sun/security/krb5/auto/basic.sh b/test/sun/security/krb5/auto/basic.sh
index f2592ee2dc10ae23b165fb4d079aeaac80551856..b769433157165021c08d489ebad024ce74858f6e 100644
--- a/test/sun/security/krb5/auto/basic.sh
+++ b/test/sun/security/krb5/auto/basic.sh
@@ -43,6 +43,10 @@ case "$OS" in
     FS="\\"
     SEP=";"
     ;;
+  CYGWIN* )
+    FS="/"
+    SEP=";"
+    ;;
   * )
     FS="/"
     SEP=":"