diff --git a/services/web/frontend/js/features/source-editor/languages/latex/latex-language.ts b/services/web/frontend/js/features/source-editor/languages/latex/latex-language.ts
index 9e00c14755..ecdf976875 100644
--- a/services/web/frontend/js/features/source-editor/languages/latex/latex-language.ts
+++ b/services/web/frontend/js/features/source-editor/languages/latex/latex-language.ts
@@ -166,6 +166,7 @@ export const LaTeXLanguage = LRLanguage.define({
         MathDelimiter: t.literal,
         DoubleDollar: t.keyword,
         Tilde: t.keyword,
+        Ampersand: t.keyword,
         Comment: t.comment,
         'UsePackage/OptionalArgument/ShortOptionalArg/Normal': t.attributeValue,
         'UsePackage/ShortTextArgument/ShortArg/Normal': t.tagName,