diff --git a/bash/apt.sh b/bash/apt.sh
index e83ccc1..36bd5d6 100644
--- a/bash/apt.sh
+++ b/bash/apt.sh
@@ -1,3 +1,3 @@
-function apt_clean_cache {
-    apt-get clean
+apt_clean() {
+	apt-get clean
 }
diff --git a/bash/rescue.sh b/bash/rescue.sh
index beee576..05ecac8 100644
--- a/bash/rescue.sh
+++ b/bash/rescue.sh
@@ -49,7 +49,7 @@ fr_FR.UTF-8 UTF-8
 		apt-get install --assume-yes \
 			--target-release "${release}-backports" \
 			"${package}"
-		apt_clean_cache
+		apt_clean
 	done
 	# install packages
 	set "apt-file" "mosh" "screen" "byobu"
@@ -58,7 +58,7 @@ fr_FR.UTF-8 UTF-8
 		echo "${package}"
 		apt-get install --assume-yes \
 			"${package}"
-		apt_clean_cache
+		apt_clean
 	done
 	# update catalog
 	apt-get update
@@ -74,7 +74,7 @@ rescue_install() {
 	# upgrade packages
 	apt-get upgrade --assume-yes
 	# clean cache
-	apt_clean_cache
+	apt_clean
 	# install packages
 	set \
 		"man-db" \
@@ -89,7 +89,7 @@ rescue_install() {
 		echo "${package}"
 		apt-get install --assume-yes \
 			"${package}"
-		apt_clean_cache
+		apt_clean
 	done
 	# install backports
 	set \
@@ -102,7 +102,7 @@ rescue_install() {
 		apt-get install --assume-yes \
 			--target-release "${release}-backports" \
 			"${package}"
-		apt_clean_cache
+		apt_clean
 	done
 }