diff --git a/sh/debian.sh b/sh/debian.sh
index 7cc17e1..36c7cdd 100644
--- a/sh/debian.sh
+++ b/sh/debian.sh
@@ -46,7 +46,7 @@ apt_install_target() {
 	done
 }
 
-apt_sources_write() {
+sh_apt_sources_write() {
 	printf "%s" "\
 deb https://deb.debian.org/debian \
 ${DEBIAN_CODENAME} main non-free-firmware contrib non-free
diff --git a/sh/rescue/common.sh b/sh/rescue/common.sh
index 200f839..ecc21c2 100644
--- a/sh/rescue/common.sh
+++ b/sh/rescue/common.sh
@@ -3,7 +3,7 @@ rescue_configure() {
 	# apt / conf
 	apt_conf_write
 	# apt / sources
-	apt_sources_write
+	sh_apt_sources_write
 	# bash / rc
 	main_link_bashrc
 	mv "${HOME}/.bashrc" "${HOME}/.bashrc.old"