diff --git a/core/net/ipv6/uip-ds6.h b/core/net/ipv6/uip-ds6.h
index 45ec3c7a0..5c9e4d3c7 100644
--- a/core/net/ipv6/uip-ds6.h
+++ b/core/net/ipv6/uip-ds6.h
@@ -131,7 +131,13 @@
 #define  ADDR_MANUAL 3
 
 /** \brief General DS6 definitions */
-#define UIP_DS6_PERIOD   (CLOCK_SECOND/10)  /** Period for uip-ds6 periodic task*/
+/** Period for uip-ds6 periodic task*/
+#ifndef UIP_CONF_DS6_PERIOD
+#define UIP_DS6_PERIOD   (CLOCK_SECOND/10)
+#else
+#define UIP_DS6_PERIOD UIP_CONF_DS6_PERIOD
+#endif
+
 #define FOUND 0
 #define FREESPACE 1
 #define NOSPACE 2