diff --git a/shell-completion/bash/resolvectl b/shell-completion/bash/resolvectl
index 646a197a13..cbe2aa4870 100644
--- a/shell-completion/bash/resolvectl
+++ b/shell-completion/bash/resolvectl
@@ -25,7 +25,7 @@ __contains_word () {
 
 __get_interfaces(){
     local name
-    for name in $(cd /sys/class/net && ls); do
+    for name in $(cd /sys/class/net && command ls); do
         [[ "$name" != "lo" ]] && echo "$name"
     done
 }
diff --git a/shell-completion/bash/systemd-nspawn b/shell-completion/bash/systemd-nspawn
index 8c0abd2cd5..f367c7d14c 100644
--- a/shell-completion/bash/systemd-nspawn
+++ b/shell-completion/bash/systemd-nspawn
@@ -45,7 +45,7 @@ __get_env() {
 
 __get_interfaces(){
     local name
-    for name in $(cd /sys/class/net && ls); do
+    for name in $(cd /sys/class/net && command ls); do
         [[ "$name" != "lo" ]] && echo "$name"
     done
 }
diff --git a/shell-completion/bash/systemd-resolve b/shell-completion/bash/systemd-resolve
index b165010b85..a52a610a32 100644
--- a/shell-completion/bash/systemd-resolve
+++ b/shell-completion/bash/systemd-resolve
@@ -25,7 +25,7 @@ __contains_word () {
 
 __get_interfaces(){
     local name
-    for name in $(cd /sys/class/net && ls); do
+    for name in $(cd /sys/class/net && command ls); do
         [[ "$name" != "lo" ]] && echo "$name"
     done
 }
diff --git a/shell-completion/bash/timedatectl b/shell-completion/bash/timedatectl
index 29dc27b39c..685b79d7ea 100644
--- a/shell-completion/bash/timedatectl
+++ b/shell-completion/bash/timedatectl
@@ -32,7 +32,7 @@ __get_machines() {
 
 __get_interfaces(){
     local name
-    for name in $(cd /sys/class/net && ls); do
+    for name in $(cd /sys/class/net && command ls); do
         [[ "$name" != "lo" ]] && echo "$name"
     done
 }