diff --git a/src/ifs/workspace_manager.rs b/src/ifs/workspace_manager.rs
index de415d42..312d9980 100644
--- a/src/ifs/workspace_manager.rs
+++ b/src/ifs/workspace_manager.rs
@@ -43,6 +43,12 @@ impl WorkspaceManagerState {
             manager.announce_workspace(output, ws);
         }
     }
+
+    pub fn update_workspace_coordinates(&self, output: &OutputNode) {
+        for manager in self.managers.lock().values() {
+            manager.send_workspace_coordinates(output);
+        }
+    }
 }
 
 pub async fn workspace_manager_done(state: Rc<State>) {
diff --git a/src/ifs/workspace_manager/ext_workspace_manager_v1.rs b/src/ifs/workspace_manager/ext_workspace_manager_v1.rs
index 214373ed..a22169cc 100644
--- a/src/ifs/workspace_manager/ext_workspace_manager_v1.rs
+++ b/src/ifs/workspace_manager/ext_workspace_manager_v1.rs
@@ -15,6 +15,7 @@ use {
         utils::{clonecell::CloneCell, opt::Opt, syncqueue::SyncQueue},
         wire::{ExtWorkspaceManagerV1Id, ext_workspace_manager_v1::*},
     },
+    numeric_sort::cmp,
     std::{cell::Cell, rc::Rc},
     thiserror::Error,
 };
@@ -152,12 +153,7 @@ impl ExtWorkspaceManagerV1 {
         ws.send_capabilities();
         ws.send_id(&workspace.name);
         ws.send_name(&workspace.name);
-        let coord = output
-            .workspaces
-            .iter()
-            .position(|w| w.id == workspace.id)
-            .unwrap_or(0) as u32;
-        ws.send_coordinates(&[coord]);
+        ws.send_coordinates(&[workspace_coordinate(output, workspace)]);
         ws.send_current_state();
         if let Some(group) = group {
             group.send_workspace_enter(&ws);
@@ -165,6 +161,25 @@ impl ExtWorkspaceManagerV1 {
         self.schedule_done();
     }
 
+    pub(super) fn send_workspace_coordinates(&self, output: &OutputNode) {
+        let mut sent_any = false;
+        let mut workspaces: Vec<_> = output
+            .workspaces
+            .iter()
+            .filter(|workspace| !workspace.is_dummy)
+            .collect();
+        workspaces.sort_by(|a, b| cmp(&a.name, &b.name));
+        for (coord, workspace) in workspaces.iter().enumerate() {
+            if let Some(workspace) = workspace.ext_workspaces.get(&self.manager_id) {
+                workspace.send_coordinates(&[coord as u32]);
+                sent_any = true;
+            }
+        }
+        if sent_any {
+            self.schedule_done();
+        }
+    }
+
     fn send_workspace_group(&self, workspace_group: &ExtWorkspaceGroupHandleV1) {
         self.client.event(WorkspaceGroup {
             self_id: self.id,
@@ -210,6 +225,19 @@ impl ExtWorkspaceManagerV1 {
     }
 }
 
+fn workspace_coordinate(output: &OutputNode, workspace: &WorkspaceNode) -> u32 {
+    let mut workspaces: Vec<_> = output
+        .workspaces
+        .iter()
+        .filter(|workspace| !workspace.is_dummy)
+        .collect();
+    workspaces.sort_by(|a, b| cmp(&a.name, &b.name));
+    workspaces
+        .iter()
+        .position(|w| w.id == workspace.id)
+        .unwrap_or(0) as u32
+}
+
 global_base!(
     ExtWorkspaceManagerV1Global,
     ExtWorkspaceManagerV1,
diff --git a/src/tree/output.rs b/src/tree/output.rs
index 611eb822..bb4d23f0 100644
--- a/src/tree/output.rs
+++ b/src/tree/output.rs
@@ -761,6 +761,9 @@ impl OutputNode {
             client.error(e);
         }
         self.state.workspace_managers.announce_workspace(self, &ws);
+        self.state
+            .workspace_managers
+            .update_workspace_coordinates(self);
         self.schedule_update_render_data();
         ws
     }