diff --git a/cd.sh b/cd.sh
index 0869fa7..bbf6699 100644
--- a/cd.sh
+++ b/cd.sh
@@ -67,7 +67,7 @@ cd_set_environment_variables () {
             CD_OS_REPO="${CD_DEFAULT_REPO_ALMA}"
             [ "${CD_REPO_ALMA}" ] && CD_OS_REPO="${CD_REPO_ALMA}"
             case "${CD_OS_VERSION}" in
-                "8."*|"9."*) cd_nop ;;
+                "8"|"9") cd_nop ;;
                 *) cd_error_os "CD_OS_VERSION" ;;
             esac
             CD_CA_ROOT="/etc/pki/ca-trust/source/anchors"