diff --git a/js/src/frontend/TokenStream.h b/js/src/frontend/TokenStream.h
index 29c74db2e486..480915f91f37 100644
--- a/js/src/frontend/TokenStream.h
+++ b/js/src/frontend/TokenStream.h
@@ -1872,7 +1872,7 @@ class TokenStart {
 // we counted code units.  Set this to 0 to keep returning counts of code units
 // (even for UTF-8, which is clearly wrong, but we don't ship UTF-8 yet so this
 // is fine until we can fix users that depend on code-unit counting).
-#define JS_COLUMN_DIMENSION_IS_CODE_POINTS 0
+#define JS_COLUMN_DIMENSION_IS_CODE_POINTS 1
 
 template <typename Unit, class AnyCharsAccess>
 class GeneralTokenStreamChars : public SpecializedTokenStreamCharsBase<Unit> {