diff --git a/src/helper/command.h b/src/helper/command.h
index 48cbdaab7..07f3c2990 100644
--- a/src/helper/command.h
+++ b/src/helper/command.h
@@ -32,6 +32,7 @@
 /* Jim is provied by eCos */
 #include <cyg/jimtcl/jim.h>
 #else
+#define JIM_EMBEDDED
 #include "jim.h"
 #endif