diff --git a/include/bt_target.h b/include/bt_target.h
index 8161b8b..ea2499f 100755
--- a/include/bt_target.h
+++ b/include/bt_target.h
@@ -1389,7 +1389,7 @@
 **
 ******************************************************************************/
 
-#ifndef _cac
+#ifndef BLE_INCLUDED
 #define BLE_INCLUDED            TRUE
 #endif