1 files changed, 2 insertions, 3 deletions
diff --git a/mrbgems/mruby-struct/src/struct.c b/mrbgems/mruby-struct/src/struct.c
index a2731ca54..a8511fc3c 100644
--- a/mrbgems/mruby-struct/src/struct.c
+++ b/mrbgems/mruby-struct/src/struct.c
@@ -43,7 +43,7 @@ struct_ivar_get(mrb_state *mrb, mrb_value c, mrb_sym id)
 mrb_value
 mrb_struct_iv_get(mrb_state *mrb, mrb_value c, const char *name)
 {
-  return struct_ivar_get(mrb, c, mrb_intern(mrb, name));
+  return struct_ivar_get(mrb, c, mrb_intern_cstr(mrb, name));
 }
 
 mrb_value
@@ -185,8 +185,7 @@ static mrb_value
 mrb_struct_set(mrb_state *mrb, mrb_value obj, mrb_value val)
 {
   const char *name;
-  int i;
-  size_t len;
+  size_t i, len;
   mrb_sym mid;
   mrb_value members, slot, *ptr, *ptr_members;