diff --git a/cd.sh b/cd.sh
index e1d5b05..819404e 100644
--- a/cd.sh
+++ b/cd.sh
@@ -25,7 +25,7 @@ CD_STEP=0
 
 function cd_step {
     if [ "${1}" ] ; then
-        ((CD_STEP++))
+        CD_STEP=$((CD_STEP+1))
         echo "
  ↕ ${CD_STEP} ↔ ${1}
 "
@@ -54,6 +54,9 @@ local text=''
     || exit
 }
 
+function cd_main {
+    cd_set_dns
+
 cd_step "configure package manager"
 echo -n "\
 Acquire::Check-Valid-Until True;
@@ -115,9 +118,6 @@ apt-get clean \
 cd_step "bootstrap"
 "${DIRECTORY}/bootstrap.sh"
 
-
-function cd_main {
-    cd_set_dns
 }
 
 cd_main