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-rw-r--r--mrbgems/mruby-bin-mruby/tools/mruby/mruby.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c b/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
index 442133f92..44ad9bb06 100644
--- a/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
+++ b/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
@@ -209,7 +209,7 @@ main(int argc, char **argv)
/* Set $0 */
zero_sym = mrb_intern_lit(mrb, "$0");
if (args.rfp) {
- char *cmdline;
+ const char *cmdline;
cmdline = args.cmdline ? args.cmdline : "-";
mrbc_filename(mrb, c, cmdline);
mrb_gv_set(mrb, zero_sym, mrb_str_new_cstr(mrb, cmdline));