diff --git a/src/freedombone-controlpanel b/src/freedombone-controlpanel
index e4fcb5a1..8d3b4ba6 100755
--- a/src/freedombone-controlpanel
+++ b/src/freedombone-controlpanel
@@ -35,7 +35,7 @@ export TEXTDOMAINDIR="/usr/share/locale"
 
 COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
 SELECTED_USERNAME=
-SIP_CONFIG_FILE=/etc/sipwitch.conf
+SIP_CONFIGURATION_FILE=/etc/sipwitch.conf
 ADMIN_USER=
 UPGRADE_SCRIPT_NAME="${PROJECT_NAME}-upgrade"
 UPDATE_DATE_SCRIPT=/usr/bin/updatedate
@@ -51,10 +51,10 @@ PROJECT_REPO="https://github.com/bashrc/${PROJECT_NAME}"
 
 USB_DRIVE=sdb
 # get default USB from config file
-CONFIG_FILE=$HOME/${PROJECT_NAME}.cfg
-if [ -f $CONFIG_FILE ]; then
-    if grep -q "USB_DRIVE=" $CONFIG_FILE; then
-        USB_DRIVE=$(cat $CONFIG_FILE | grep "USB_DRIVE=" | awk -F '=' '{print $2}')
+CONFIGURATION_FILE=$HOME/${PROJECT_NAME}.cfg
+if [ -f $CONFIGURATION_FILE ]; then
+    if grep -q "USB_DRIVE=" $CONFIGURATION_FILE; then
+        USB_DRIVE=$(cat $CONFIGURATION_FILE | grep "USB_DRIVE=" | awk -F '=' '{print $2}')
         if [[ $USB_DRIVE == *"dev"* ]]; then
             USB_DRIVE=$(echo ${USB_DRIVE} | awk -F '/' '{print $3}' | sed 's|1||g' | sed 's|2||g')
         fi
@@ -147,7 +147,7 @@ function pad_string {
 }
 
 function show_domains {
-    DEFAULT_DOMAIN_NAME=$(cat $CONFIG_FILE | grep "DEFAULT_DOMAIN_NAME=" | awk -F '=' '{print $2}')
+    DEFAULT_DOMAIN_NAME=$(cat $CONFIGURATION_FILE | grep "DEFAULT_DOMAIN_NAME=" | awk -F '=' '{print $2}')
 
     echo 'Domains'
     echo '======='
@@ -274,7 +274,7 @@ function show_users {
                         SIPEXT=$(echo "$ext" | awk -F '>' '{print $2}' | awk -F '<' '{print $1}')
                     fi
                 fi
-            done < $SIP_CONFIG_FILE
+            done < $SIP_CONFIGURATION_FILE
             if [ $SIPEXT ]; then
                 echo -n -e "$(pad_string SIP:${SIPEXT})"
             else