1 files changed, 1 insertions, 1 deletions
diff --git a/tools/mrbc/mrbc.c b/tools/mrbc/mrbc.c
index a70353d63..a121eaa0e 100644
--- a/tools/mrbc/mrbc.c
+++ b/tools/mrbc/mrbc.c
@@ -179,7 +179,7 @@ main(int argc, char **argv)
     c->dump_result = 1;
   c->no_exec = 1;
   result = mrb_load_file_cxt(mrb, args.rfp, c);
-  if (mrb_nil_p(result)) {
+  if (mrb_undef_p(result)) {
     cleanup(&args);
     mrb_close(mrb);
     return -1;