diff --git a/completions/bash/footclient b/completions/bash/footclient
index 9f752641..b672c247 100644
--- a/completions/bash/footclient
+++ b/completions/bash/footclient
@@ -14,6 +14,7 @@ _footclient()
         "--log-colorize"
         "--maximized"
         "--override"
+        "--client-environment"
         "--server-socket"
         "--term"
         "--title"
diff --git a/completions/fish/footclient.fish b/completions/fish/footclient.fish
index 8133f663..df3e1273 100644
--- a/completions/fish/footclient.fish
+++ b/completions/fish/footclient.fish
@@ -12,6 +12,7 @@ complete -c footclient -F -s s -l server-socket
 complete -c footclient    -s H -l hold                                                                      -d "remain open after child process exits"
 complete -c footclient    -s N -l no-wait                                                                   -d "detach the client process from the running terminal, exiting immediately"
 complete -c footclient -x -s o -l override                                                                  -d "configuration option to override, in form SECTION.KEY=VALUE"
+complete -c footclient    -s E -l client-environment                                                        -d "child process inherits footclient's environment, instead of the server's"
 complete -c footclient -x -s d -l log-level          -a "info warning error none"                           -d "log-level (info)"
 complete -c footclient -x -s l -l log-colorize       -a "always never auto"                                 -d "enable or disable colorization of log output on stderr"
 complete -c footclient    -s v -l version                                                                   -d "show the version number and quit"
diff --git a/completions/zsh/_footclient b/completions/zsh/_footclient
index 81b2ea95..b36644c6 100644
--- a/completions/zsh/_footclient
+++ b/completions/zsh/_footclient
@@ -15,6 +15,7 @@ _arguments \
     '(-H --hold)'{-H,--hold}'[remain open after child process exits]' \
     '(-N --no-wait)'{-N,--no-wait}'[detach the client process from the running terminal, exiting immediately]' \
     '(-o --override)'{-o,--override}'[configuration option to override, in form SECTION.KEY=VALUE]:()' \
+    '(-E --client-environment)'{-E,--client-environment}"[child process inherits footclient's environment, instead of the server's]" \
     '(-d --log-level)'{-d,--log-level}'[log level (info)]:loglevel:(info warning error none)' \
     '(-l --log-colorize)'{-l,--log-colorize}'[enable or disable colorization of log output on stderr]:logcolor:(never always auto)' \
     '(-v --version)'{-v,--version}'[show the version number and quit]' \