1 files changed, 1 insertions, 1 deletions
diff --git a/parse.y b/parse.y
index 8f8bed499b..70258e34fb 100644
--- a/parse.y
+++ b/parse.y
@@ -6965,7 +6965,7 @@ parse_numvar(struct parser_params *parser)
     int overflow;
     unsigned long n = ruby_scan_digits(tok()+1, toklen()-1, 10, &len, &overflow);
     const unsigned long nth_ref_max =
-	(FIXNUM_MAX / 2 < INT_MAX) ? FIXNUM_MAX / 2 : INT_MAX;
+	((FIXNUM_MAX < INT_MAX) ? FIXNUM_MAX : INT_MAX) >> 1;
     /* NTH_REF is left-shifted to be ORed with back-ref flag and
      * turned into a Fixnum, in compile.c */