diff --git a/services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar b/services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar
index 7af78962da..fd4f970d06 100644
--- a/services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar
+++ b/services/web/frontend/js/features/source-editor/lezer-bibtex/bibtex.grammar
@@ -57,18 +57,18 @@ Expression {
 }
 
 @skip {}{
-  bracedStringContents {
+  BracedStringContents {
   (
       nonClosingBracedContents |
       nestedBracedString {
         OpenBracedContents
-        bracedStringContents
+        BracedStringContents
         CloseBracedContents
       }
     )*
 }
   BracedString {
-    "{" bracedStringContents CloseBracedContents
+    "{" BracedStringContents CloseBracedContents
   }  
 }