diff --git a/cluster/apt.check.update.sh b/cluster/apt.check.update.sh
index d3b4542..20797f2 100755
--- a/cluster/apt.check.update.sh
+++ b/cluster/apt.check.update.sh
@@ -69,7 +69,7 @@ debug_message() {                                               # {{{
 is_apt_upgrade_absent() {                                       # {{{
 
 	## Count the number of upgradable packages and substract 1 for the header
-	local_apt_upgrade_number="$(apt list --upgradable \
+	local_apt_upgrade_number="$(apt list --upgradable 2>/dev/null \
 		| wc -l \
 		| awk '{print $1-1}')"
 
@@ -93,7 +93,7 @@ APT upgrade available for this system: ${RED}${local_apt_upgrade_number:=/dev/nu
 is_apt_upgrade_present() {                                      # {{{
 
 	## Count the number of upgradable packages and substract 1 for the header
-	local_apt_upgrade_number="$(apt list --upgradable \
+	local_apt_upgrade_number="$(apt list --upgradable 2>/dev/null \
 		| wc -l \
 		| awk '{print $1-1}')"