1 files changed, 1 insertions, 3 deletions
diff --git a/sprintf.c b/sprintf.c
index 98db29ea6c..38283919e6 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -770,14 +770,12 @@ rb_f_sprintf(argc, argv)
     }
 
   sprint_exit:
-#if 0
     /* XXX - We cannot validiate the number of arguments because
      *       the format string may contain `n$'-style argument selector.
      */
-    if (RTEST(ruby_verbose) && nextarg < argc) {
+    if (RTEST(ruby_verbose) && posarg >= 0 && nextarg < argc) {
 	rb_raise(rb_eArgError, "too many arguments for format string");
     }
-#endif
     rb_str_resize(result, blen);
 
     if (tainted) OBJ_TAINT(result);