1 files changed, 1 insertions, 1 deletions
diff --git a/src/error.h b/src/error.h
index e4d6acb6c..674d4f477 100644
--- a/src/error.h
+++ b/src/error.h
@@ -8,7 +8,7 @@
 #define MRUBY_ERROR_H
 
 struct RException {
-  MRUBY_OBJECT_HEADER;
+  MRB_OBJECT_HEADER;
 };
 
 void mrb_sys_fail(mrb_state *mrb, const char *mesg);