diff --git a/templates/scripts/includes/deployment.sh b/templates/scripts/includes/deployment.sh
index c15f401..34863b1 100755
--- a/templates/scripts/includes/deployment.sh
+++ b/templates/scripts/includes/deployment.sh
@@ -1503,10 +1503,11 @@ EOF
 }
 
 gen_installer_config () {
-  mkdir -p "${TARGET}/etc/ngcp-installer/"
-
-  if "$CARRIER_EDITION" ; then
-    cat > ${TARGET}/etc/ngcp-installer/config_deploy.inc << EOF
+  local conf_file
+  conf_file="${TARGET}/etc/ngcp-installer/config_deploy.inc"
+  truncate -s 0 "${conf_file}"
+  if "${CARRIER_EDITION}" ; then
+    cat >> "${conf_file}" << EOF
 CROLE="${CROLE}"
 FILL_APPROX_CACHE="${FILL_APPROX_CACHE}"
 VLAN_BOOT_INT="${VLAN_BOOT_INT}"
@@ -1518,9 +1519,8 @@ VLAN_HA_INT="${VLAN_HA_INT}"
 VLAN_RTP_EXT="${VLAN_RTP_EXT}"
 EOF
   fi
-
-  if "$PRO_EDITION" ; then
-    cat >> ${TARGET}/etc/ngcp-installer/config_deploy.inc << EOF
+  if "${PRO_EDITION}" ; then
+    cat >> "${conf_file}" << EOF
 HNAME="${ROLE}"
 IP1="${IP1}"
 IP2="${IP2}"
@@ -1542,7 +1542,7 @@ MANAGEMENT_IP="${MANAGEMENT_IP}"
 EOF
   fi
 
-  cat >> ${TARGET}/etc/ngcp-installer/config_deploy.inc << EOF
+  cat >> "${conf_file}" << EOF
 FORCE=yes
 ADJUST_FOR_LOW_PERFORMANCE="${ADJUST_FOR_LOW_PERFORMANCE}"
 ENABLE_VM_SERVICES="${ENABLE_VM_SERVICES}"