diff --git a/shell-completion/bash/busctl b/shell-completion/bash/busctl
index ee160a7900..5464225b15 100644
--- a/shell-completion/bash/busctl
+++ b/shell-completion/bash/busctl
@@ -86,7 +86,7 @@ _busctl() {
                       --show-machine --unique --acquired --activatable --list
                       -q --quiet --verbose --expect-reply=no --auto-start=no
                       --allow-interactive-authorization=no --augment-creds=no
-                      --watch-bind=yes -j -l --full'
+                      --watch-bind=yes -j -l --full --xml-interface'
         [ARG]='--address -H --host -M --machine --match --timeout --size --json
                       --destination'
     )
diff --git a/shell-completion/zsh/_busctl b/shell-completion/zsh/_busctl
index 0cb1c44a43..b0cd4d5db5 100644
--- a/shell-completion/zsh/_busctl
+++ b/shell-completion/zsh/_busctl
@@ -276,6 +276,7 @@ _arguments \
     '--list[Do not show tree, but simple object path list]' \
     {-q,--quiet}'[Do not show method call reply]'\
     '--verbose[Show result values in long format]' \
+    '--xml-interface[Dump the XML description in introspect command]' \
     '--json=[Show result values in long format]:format:_busctl_get_json' \
     '-j[Show pretty json in interactive sessions, short json otherwise]' \
     '--expect-reply=[Expect a method call reply]:boolean:(1 0)' \
diff --git a/src/busctl/busctl.c b/src/busctl/busctl.c
index 37ba05680f..90f20c05a1 100644
--- a/src/busctl/busctl.c
+++ b/src/busctl/busctl.c
@@ -2307,6 +2307,7 @@ static int help(void) {
                "     --verbose             Show result values in long format\n"
                "     --json=MODE           Output as JSON\n"
                "  -j                       Same as --json=pretty on tty, --json=short otherwise\n"
+               "     --xml-interface       Dump the XML description in introspect command\n"
                "     --expect-reply=BOOL   Expect a method call reply\n"
                "     --auto-start=BOOL     Auto-start destination service\n"
                "     --allow-interactive-authorization=BOOL\n"