diff --git a/src/main.rs b/src/main.rs
index 0bf0dcb..5284486 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -11,7 +11,7 @@ use wayland_client::protocol::wl_registry::WlRegistry;
 use std::collections::{BTreeMap, HashMap};
 use wayland_client::protocol::{wl_output, wl_output::WlOutput, wl_seat,
     wl_seat::WlSeat};
-use wayland_client::{Attached, DispatchData, Display, GlobalEvent, GlobalManager, Main};
+use wayland_client::{Attached, DispatchData, Display, GlobalEvent, GlobalImplementor, GlobalManager, Main};
 
 #[derive(Debug)]
 struct Flags {
@@ -47,6 +47,8 @@ struct Tags(u32);
 
 struct Env {
     flags: Flags,
+    // I don't know very much about wayland, and it shows
+    output_id_map: HashMap<u32, u32>,
     output_names: BTreeMap<u32, String>,
     focused: Option<u32>,
     layout: Option<String>,
@@ -134,10 +136,8 @@ impl Serialize for Env {
             let mut name_id_map = HashMap::<&str, u32>::new();
             name_id_map.reserve(self.output_names.len());
             let mut id = 0;
-            for (_, value) in &self.output_names {
-                if !name_id_map.contains_key(value.as_str()) {
-                    name_id_map.insert(value, id);
-                }
+            for (key, value) in &self.output_names {
+                name_id_map.insert(value, id);
                 id += 1;
             }
             state.serialize_field("gtk_ids", &name_id_map)?;
@@ -161,6 +161,7 @@ impl Env {
             viewtags: flags.viewtags.then(Default::default),
             status_manager: None,
             flags,
+            output_id_map: Default::default(),
             output_names: Default::default(),
         }
     }
@@ -180,14 +181,6 @@ impl Env {
     }
 }
 
-fn handle_zriver_status_manager_v1(
-    status_manager: Main<ZriverStatusManagerV1>, mut env: DispatchData
-) {
-    if let Some(env) = env.get::<Env>() {
-        env.status_manager = Some(status_manager);
-    }
-}
-
 fn handle_river_seat_status(
     _status: Main<ZriverSeatStatusV1>, event: zriver_seat_status_v1::Event,
     mut env: DispatchData
@@ -328,34 +321,45 @@ fn handle_output_event(
 fn global_manager_callback(
     event: GlobalEvent, registry: Attached<WlRegistry>, mut env: DispatchData
 ) {
-    let mut global_filter = wayland_client::global_filter!(
-        [ZriverStatusManagerV1, 1, handle_zriver_status_manager_v1],
-        [WlSeat, 7, |seat: Main<WlSeat>, _env: DispatchData| {
-            seat.quick_assign(handle_seat_event);
-        }],
-        [WlOutput, 3, |output: Main<WlOutput>, _env: DispatchData| {
-            output.quick_assign(handle_output_event);
-        }]
-    );
-
     match event {
-        GlobalEvent::New { id: _, interface: _, version: _ } => {
-            global_filter(event, registry, env);
+        GlobalEvent::New { id, interface, version } => {
+            match interface.as_str() {
+                "wl_output" if version >= 3 => {
+                    let output: Main<WlOutput> = registry.bind(version, id);
+                    if let Some(env) = env.get::<Env>() {
+                        env.output_id_map.insert(id, output.as_ref().id());
+                        output.quick_assign(handle_output_event);
+                    }
+                },
+                "wl_seat" if version >= 7 => {
+                    let seat: Main<WlSeat> = registry.bind(version, id);
+                    seat.quick_assign(handle_seat_event);
+                },
+                "zriver_status_manager_v1" => {
+                    let status_manager = registry.bind(version, id);
+                    if let Some(env) = env.get::<Env>() {
+                        env.status_manager = Some(status_manager);
+                    }
+                },
+                _ => {}
+            }
         }
         GlobalEvent::Removed { id, interface: _ } => {
             if let Some(env) = env.get::<Env>() {
-                env.output_names.remove(&id);
-                if let Some(titles) = &mut env.titles {
-                    titles.remove(&id);
-                }
-                if let Some(tags) = &mut env.tags {
-                    tags.remove(&id);
-                }
-                if let Some(urgency) = &mut env.urgency {
-                    urgency.remove(&id);
-                }
-                if let Some(viewtags) = &mut env.viewtags {
-                    viewtags.remove(&id);
+                if let Some(oid) = env.output_id_map.remove(&id) {
+                    env.output_names.remove(&oid);
+                    if let Some(titles) = &mut env.titles {
+                        titles.remove(&oid);
+                    }
+                    if let Some(tags) = &mut env.tags {
+                        tags.remove(&oid);
+                    }
+                    if let Some(urgency) = &mut env.urgency {
+                        urgency.remove(&oid);
+                    }
+                    if let Some(viewtags) = &mut env.viewtags {
+                        viewtags.remove(&oid);
+                    }
                 }
             }
         }