diff --git a/bash/apt.sh b/bash/apt.sh
index ce43f1a..5b821e2 100644
--- a/bash/apt.sh
+++ b/bash/apt.sh
@@ -3,6 +3,11 @@ apt_clean() {
 		clean
 }
 
+apt_update() {
+	apt-get \
+		update
+}
+
 apt_upgrade() {
 	apt-get \
 		upgrade \
diff --git a/bash/rescue.sh b/bash/rescue.sh
index 34f1881..1d64d59 100644
--- a/bash/rescue.sh
+++ b/bash/rescue.sh
@@ -38,7 +38,7 @@ fr_FR.UTF-8 UTF-8
 	# generate locales
 	locale-gen
 	# update catalog
-	apt-get update
+	apt_update
 	# disable frontend
 	debian_disable_frontend
 	# install backports
@@ -61,14 +61,14 @@ fr_FR.UTF-8 UTF-8
 		apt_clean
 	done
 	# update catalog
-	apt-get update
+	apt_update
 }
 
 rescue_install() {
 	local package
 	local release="bookworm"
 	# update catalog
-	apt-get update
+	apt_update
 	# disable frontend
 	debian_disable_frontend
 	# upgrade packages