diff --git a/tools/sky/uip6-bridge/bridge-conf.h b/tools/sky/uip6-bridge/bridge-conf.h
index 5f622df99..3dab5c08f 100644
--- a/tools/sky/uip6-bridge/bridge-conf.h
+++ b/tools/sky/uip6-bridge/bridge-conf.h
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: bridge-conf.h,v 1.1 2009/05/08 12:49:36 joxe Exp $
+ * $Id: bridge-conf.h,v 1.2 2009/07/28 21:34:13 joxe Exp $
  */
 
 /**
@@ -53,4 +53,6 @@
 #undef RF_CHANNEL
 #define RF_CHANNEL              24
 
+#define CC2420_CONF_AUTOACK     1
+
 #endif /* __BRIDGE_CONF_H__ */