diff --git a/apps/server/src/api-data/automation/__tests__/automation.dao.test.ts b/apps/server/src/api-data/automation/__tests__/automation.dao.test.ts
index b83c30e64..533354378 100644
--- a/apps/server/src/api-data/automation/__tests__/automation.dao.test.ts
+++ b/apps/server/src/api-data/automation/__tests__/automation.dao.test.ts
@@ -116,6 +116,14 @@ describe('deleteTrigger()', () => {
     expect(removed.length).toEqual(1);
     expect(removed[0].title).not.toEqual('test-osc');
   });
+
+  it('ignores a trigger that is already gone', async () => {
+    // a client reconciling several triggers must not be stuck because another client
+    // removed one of them first: the end state it asked for is the one it gets
+    const before = getAutomationTriggers();
+    await expect(deleteTrigger('never-existed')).resolves.toBeUndefined();
+    expect(getAutomationTriggers()).toEqual(before);
+  });
 });
 
 describe('addAutomation()', () => {
diff --git a/apps/server/src/api-data/automation/automation.dao.ts b/apps/server/src/api-data/automation/automation.dao.ts
index d2e39500d..dd2ca31e3 100644
--- a/apps/server/src/api-data/automation/automation.dao.ts
+++ b/apps/server/src/api-data/automation/automation.dao.ts
@@ -84,15 +84,17 @@ export async function editTrigger(id: string, newTrigger: TriggerDTO): Promise<T
  * Deletes an automation trigger given its ID
  */
 export async function deleteTrigger(id: string): Promise<void> {
-  let triggers = getAutomationTriggers();
+  const triggers = getAutomationTriggers();
   const index = triggers.findIndex((trigger) => trigger.id === id);
 
+  // ignore request if the trigger does not exist, as deleteAutomation does for the same reason:
+  // the caller asked for it to be gone and it is, and failing here makes a client that is
+  // reconciling several triggers unable to finish once another client removed one of them
   if (index === -1) {
-    throw new Error(`Automation with id ${id} not found`);
+    return;
   }
 
-  triggers = deleteAtIndex(index, triggers);
-  await saveChanges({ triggers });
+  await saveChanges({ triggers: deleteAtIndex(index, triggers) });
 }
 
 /**