diff --git a/include/Mw/Error.h b/include/Mw/Error.h
new file mode 100644
index 0000000..ccf0d5c
--- /dev/null
+++ b/include/Mw/Error.h
@@ -0,0 +1,11 @@
+/* $Id$ */
+#ifndef __MW_ERROR_H__
+#define __MW_ERROR_H__
+
+#include <Mw/MachDep.h>
+
+enum MwErrorEnum {
+	MwEsuccess = 0
+};
+
+#endif
diff --git a/include/Mw/Milsko.h b/include/Mw/Milsko.h
index 6be505e..62d527e 100644
--- a/include/Mw/Milsko.h
+++ b/include/Mw/Milsko.h
@@ -10,6 +10,7 @@
 #include <Mw/Default.h>
 #include <Mw/Draw.h>
 #include <Mw/Font.h>
+#include <Mw/Error.h>
 
 #include <Mw/Window.h>
 #include <Mw/Button.h>