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-rw-r--r--src/kernel.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/kernel.c b/src/kernel.c
index 23b0153ab..ec6408701 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -556,7 +556,7 @@ check_iv_name(mrb_state *mrb, mrb_sym id)
s = mrb_sym2name_len(mrb, id, &len);
if (len < 2 || !(s[0] == '@' && s[1] != '@')) {
- mrb_name_error(mrb, id, "`%s' is not allowed as an instance variable name", s);
+ mrb_name_error(mrb, id, "`%S' is not allowed as an instance variable name", mrb_sym2str(mrb, id));
}
}
@@ -964,7 +964,7 @@ mrb_obj_remove_instance_variable(mrb_state *mrb, mrb_value self)
check_iv_name(mrb, sym);
val = mrb_iv_remove(mrb, self, sym);
if (mrb_undef_p(val)) {
- mrb_name_error(mrb, sym, "instance variable %s not defined", mrb_sym2name(mrb, sym));
+ mrb_name_error(mrb, sym, "instance variable %S not defined", mrb_sym2str(mrb, sym));
}
return val;
}