diff --git a/zbus_xmlgen/src/cli.rs b/zbus_xmlgen/src/cli.rs
index 239a61683..5c4848e88 100644
--- a/zbus_xmlgen/src/cli.rs
+++ b/zbus_xmlgen/src/cli.rs
@@ -11,7 +11,7 @@ pub struct Args {
     /// Specify the destination for saving the output. If no argument is provided, the parsed interfaces will be
     /// stored in separate files. If a filename is provided, the output will be saved to that file.
     /// Use '-' to print the output to stdout.
-    #[clap(short, long, allow_hyphen_values = true)]
+    #[clap(short, long, allow_hyphen_values = true, global = true)]
     pub output: Option<String>,
 }