diff --git a/services/web/frontend/js/features/source-editor/extensions/context-menu.ts b/services/web/frontend/js/features/source-editor/extensions/context-menu.ts
index 4dbf626f96..bace4cf171 100644
--- a/services/web/frontend/js/features/source-editor/extensions/context-menu.ts
+++ b/services/web/frontend/js/features/source-editor/extensions/context-menu.ts
@@ -13,6 +13,7 @@ import {
   TransactionSpec,
   EditorSelection,
   Prec,
+  Annotation,
 } from '@codemirror/state'
 import { closeAllContextMenusEffect } from '../utils/close-all-context-menus-effect'
 
@@ -24,6 +25,8 @@ export const openContextMenuEffect = StateEffect.define<{
 
 export const closeContextMenuEffect = StateEffect.define()
 
+export const openContextMenuAnnotation = Annotation.define<boolean>()
+
 const isTouchOnlyInput =
   typeof window.matchMedia === 'function' &&
   window.matchMedia('(pointer: coarse)').matches &&
@@ -206,6 +209,7 @@ function openContextMenuAtPosition(
         y: clientY,
       }),
     ],
+    annotations: [openContextMenuAnnotation.of(true)],
   })
 }
 
diff --git a/services/web/frontend/js/features/source-editor/languages/latex/open-autocomplete.ts b/services/web/frontend/js/features/source-editor/languages/latex/open-autocomplete.ts
index 8abaf0a9c4..431363f11a 100644
--- a/services/web/frontend/js/features/source-editor/languages/latex/open-autocomplete.ts
+++ b/services/web/frontend/js/features/source-editor/languages/latex/open-autocomplete.ts
@@ -2,12 +2,20 @@ import { EditorView } from '@codemirror/view'
 import { startCompletion } from '@codemirror/autocomplete'
 import { Transaction } from '@codemirror/state'
 import { isInEmptyArgumentNodeForAutocomplete } from '../../utils/tree-query'
+import { openContextMenuAnnotation } from '../../extensions/context-menu'
 
 // start autocompletion when the cursor enters an empty pair of braces
+// but skip updates caused by context menu open or remote transactions
 export const openAutocomplete = () => {
   return EditorView.updateListener.of(update => {
     if (update.selectionSet || update.docChanged) {
-      if (!update.transactions.some(tr => tr.annotation(Transaction.remote))) {
+      if (
+        !update.transactions.some(
+          tr =>
+            tr.annotation(Transaction.remote) ||
+            tr.annotation(openContextMenuAnnotation)
+        )
+      ) {
         if (isInEmptyArgumentNodeForAutocomplete(update.state)) {
           startCompletion(update.view)
         }