diff --git a/shell-completion/bash/systemctl b/shell-completion/bash/systemctl
index 191b8d13e..f1ec99bdd 100644
--- a/shell-completion/bash/systemctl
+++ b/shell-completion/bash/systemctl
@@ -133,7 +133,7 @@ _systemctl () {
                      [ENVS]='set-environment unset-environment'
                [STANDALONE]='daemon-reexec daemon-reload default dump
                              emergency exit halt hibernate hybrid-sleep kexec list-jobs
-                             list-units list-unit-files poweroff reboot rescue
+                             list-sockets list-units list-unit-files poweroff reboot rescue
                              show-environment suspend'
                      [NAME]='snapshot load'
                      [FILE]='link'
diff --git a/shell-completion/systemd-zsh-completion.zsh b/shell-completion/systemd-zsh-completion.zsh
index 411646ea5..ff15da6d3 100644
--- a/shell-completion/systemd-zsh-completion.zsh
+++ b/shell-completion/systemd-zsh-completion.zsh
@@ -328,6 +328,7 @@ _outputmodes() {
 {
   local -a _systemctl_cmds
   _systemctl_cmds=(
+    "list-sockets:List sockets"
     "list-units:List units"
     "start:Start (activate) one or more units"
     "stop:Stop (deactivate) one or more units"