diff --git a/services/web/frontend/js/features/source-editor/lezer-typst/typst.grammar b/services/web/frontend/js/features/source-editor/lezer-typst/typst.grammar
index 7404ac9b00..f7e05a5ba3 100644
--- a/services/web/frontend/js/features/source-editor/lezer-typst/typst.grammar
+++ b/services/web/frontend/js/features/source-editor/lezer-typst/typst.grammar
@@ -67,7 +67,10 @@ codeExprBody {
   ContentBlock
 }
 
-KeywordExpr { CodeKeyword }
+// CallExpr? covers '#set text(size: 12pt)', '#show heading: ...', etc.
+// The optional CallExpr is only shifted when the next token is CodeIdent,
+// so there is no shift/reduce conflict with other items that follow keywords.
+KeywordExpr { CodeKeyword CallExpr? }
 AtomExpr    { CodeBool    }
 
 CallExpr { CodeIdent callSuffix* }