1 files changed, 1 insertions, 1 deletions

diff --git a/src/parser/event_parser/grammar/mod.rs b/src/parser/event_parser/grammar/mod.rs
index 76f62b714..3c4b223a9 100644
--- a/src/parser/event_parser/grammar/mod.rs
+++ b/src/parser/event_parser/grammar/mod.rs
@@ -40,7 +40,7 @@ fn node<F: FnOnce(&mut Parser)>(p: &mut Parser, node_kind: SyntaxKind, rest: F)
     p.finish();
 }
 
-fn many<F: Fn(&mut Parser) -> bool>(p: &mut Parser, f: F) {
+fn many<F: FnMut(&mut Parser) -> bool>(p: &mut Parser, mut f: F) {
     loop {
         let pos = p.pos();
         if !f(p) {