diff --git a/cd.sh b/cd.sh
index ee3241f..7dd8860 100644
--- a/cd.sh
+++ b/cd.sh
@@ -134,8 +134,23 @@ cd_set_environment_variables () {
     cd_echo "CD_CA_ROOT" "CD_CMD_CA"
     # set package manager
     case "${CD_OS_ID}" in
+        "${CD_OS_ALPINE}")
+            CD_PM="${CD_PM_APK}"
+        ;;
+        "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
+            CD_PM="${CD_PM_APT}"
+        ;;
         "${CD_OS_ALMA}"|"${CD_OS_FEDORA}"|"${CD_OS_ROCKY}")
             CD_PM="${CD_PM_DNF}"
+        ;;
+        "${CD_OS_ARCH}")
+            CD_PM="${CD_PM_PACMAN}"
+        ;;
+    esac
+    cd_split
+    cd_echo "CD_PM"
+    case "${CD_PM}" in
+        "${CD_PM_DNF}")
             CD_CMD_CLEAN="dnf clean all"
             CD_CMD_INSTALL="dnf install --assumeyes"
             CD_CMD_QUERY="rpm --query"
@@ -154,8 +169,7 @@ skip_if_unavailable=False
             CD_PM_HTTPS_PATH="/etc/dnf/dnf.conf.d/https.conf"
             CD_PM_HTTPS_TEXT="sslverify=False"
         ;;
-        "${CD_OS_ALPINE}")
-            CD_PM="${CD_PM_APK}"
+        "${CD_PM_APK}")
             CD_CMD_CLEAN="apk cache purge"
             CD_CMD_INSTALL="apk add"
             CD_CMD_QUERY="apk info"
@@ -167,8 +181,7 @@ skip_if_unavailable=False
             CD_PM_HTTPS_PATH="/etc/apk/repositories.d/https"
             CD_PM_HTTPS_TEXT="--no-verify"
         ;;
-        "${CD_OS_ARCH}")
-            CD_PM="${CD_PM_PACMAN}"
+        "${CD_PM_PACMAN}")
             CD_CMD_CLEAN="pacman --sync --clean --noconfirm"
             CD_CMD_INSTALL="pacman --sync --noconfirm"
             CD_CMD_QUERY="pacman --query"
@@ -180,8 +193,7 @@ skip_if_unavailable=False
             CD_PM_HTTPS_PATH="/etc/pacman.d/https.conf"
             CD_PM_HTTPS_TEXT="SSLVerify = No"
         ;;
-        "${CD_OS_DEBIAN}"|"${CD_OS_UBUNTU}")
-            CD_PM="${CD_PM_APT}"
+        "${CD_PM_APT}")
             CD_CMD_CLEAN="apt-get clean"
             CD_CMD_INSTALL="apt-get install --assume-yes"
             CD_CMD_QUERY="dpkg-query --show"