diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index 2347c58..94981fc 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -1284,6 +1284,7 @@ spcd_step__python_modules() {
 
 spcd_step__install_packages() {
     spcd_step_in "OS packages"
+    local file
     # epel
     spcd_step "EPEL"
     case "${SPCD_OS_ID}" in
@@ -1304,15 +1305,15 @@ spcd_step__install_packages() {
             ;;
         *) ;;
         esac
-        for spcd_spr__file in "${@}"; do
-            spcd_os_sed "/etc/yum.repos.d/epel${spcd_spr__file}.repo" \
+        for file in "${@}"; do
+            spcd_os_sed "/etc/yum.repos.d/epel${file}.repo" \
                 "|^metalink|#metalink|" \
                 "|https://download.example/pub/epel|${SPCD_URL_EPEL}|" \
                 "|^#baseurl|baseurl|"
         done
-        spcd_spr__file="/etc/yum.repos.d/epel-cisco-openh264.repo"
+        file="/etc/yum.repos.d/epel-cisco-openh264.repo"
         if [ -f "${spcd_spr__file}" ]; then
-            spcd_os_sed "${spcd_spr__file}" \
+            spcd_os_sed "${file}" \
                 "|^enabled=1|#enabled=0|"
         fi
         ;;