diff --git a/cd.sh b/cd.sh
index d5a54ae..981908d 100644
--- a/cd.sh
+++ b/cd.sh
@@ -42,10 +42,12 @@ cd_set_environment () {
     #
     case "${CD_OS_NAME}" in
         "debian")
+            CD_CA_ROOT="/usr/local/share/ca-certificates"
             CD_PYTHON_PACKAGE="python3"
             CD_PYTHON_PACKAGES="/usr/lib/python3/dist-packages"
         ;;
         "alma")
+            CD_CA_ROOT="/etc/pki/ca-trust/source/anchors"
             case "${CD_OS_VERSION}" in
                 "8"|"9")
                     CD_PYTHON_PACKAGE="python3.11"
@@ -153,21 +155,13 @@ Dir::Etc::SourceParts \"\";
 
 cd_write_ca_certificates () {
 local index
-local target
 local text
     cd_step "Copy CA"
-    case "${CD_OS_NAME}" in
-        "debian")
-            target="/usr/local/share/ca-certificates"
-            cd_mkdir "${target}"
-        ;;
-        "alma") target="/etc/pki/ca-trust/source/anchors" ;;
-        *) cd_error_os "cd_copy_ca" ;;
-    esac
+    cd_mkdir "${CD_CA_ROOT}"
     index=1
     eval "text=\${CD_CA_${index}}"
     while [ "${text}" ] ; do
-        cd_write "${target}/${index}.crt" "${text}"
+        cd_write "${CD_CA_ROOT}/${index}.crt" "${text}"
         CD_CA=$((CD_CA+1))
         index=$((index+1))
         eval "text=\${CD_CA_${index}}"