diff --git a/js/src/frontend/TokenStream.cpp b/js/src/frontend/TokenStream.cpp
index 20d4b6ea13a8..986295a64d2f 100644
--- a/js/src/frontend/TokenStream.cpp
+++ b/js/src/frontend/TokenStream.cpp
@@ -1123,7 +1123,7 @@ TokenStream::getTokenInternal(Modifier modifier)
 
     // Look for an unambiguous single-char token.
     //
-    if (c1kind < OneChar_Max) {
+    if (c1kind <= OneChar_Max) {
         tp = newToken(-1);
         tp->type = TokenKind(c1kind);
         goto out;