diff --git a/src/main.rs b/src/main.rs
index 099b5c0..cabafac 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -38,6 +38,7 @@ async fn register(
     ctx: Context<'_>,
     #[flag] global: bool,
     #[flag] purge: bool,
+    #[flag] not: bool,
     #[rest] rest: String,
 ) -> Result<(), Error> {
     // poise::builtins::register_application_commands(ctx, global).await?;
@@ -47,8 +48,8 @@ async fn register(
     ctx.say(format!("Commands: {}", commands.len())).await?;
     let mut command_count: u8 = 0;
     for command in commands {
-        command_count += 1;
-        if rest.eq_ignore_ascii_case("all") || rest.contains(&command.name) {
+        if rest.eq_ignore_ascii_case("all") || (rest.contains(&command.name) ^ not) {
+            command_count += 1;
             if let Some(slash_command) = command.create_as_slash_command() {
                 commands_builder.add_application_command(slash_command);
             }