diff --git a/platform/cooja/dev/cooja-radio.c b/platform/cooja/dev/cooja-radio.c
index bb7ad5afd..d1b0471a3 100644
--- a/platform/cooja/dev/cooja-radio.c
+++ b/platform/cooja/dev/cooja-radio.c
@@ -46,9 +46,6 @@
 #define COOJA_RADIO_BUFSIZE PACKETBUF_SIZE
 #define CCA_SS_THRESHOLD -95
 
-#define WITH_TURNAROUND 1
-#define WITH_SEND_CCA 1
-
 const struct simInterface radio_interface;
 
 /* COOJA */
@@ -174,14 +171,14 @@ radio_send(const void *payload, unsigned short payload_len)
   int radiostate = simRadioHWOn;
 
   /* Simulate turnaround time of 2ms for packets, 1ms for acks*/
-#if WITH_TURNAROUND
+#if COOJA_SIMULATE_TURNAROUND
   simProcessRunValue = 1;
   cooja_mt_yield();
   if(payload_len > 3) {
     simProcessRunValue = 1;
     cooja_mt_yield();
   }
-#endif /* WITH_TURNAROUND */
+#endif /* COOJA_SIMULATE_TURNAROUND */
 
   if(!simRadioHWOn) {
     /* Turn on radio temporarily */
@@ -198,11 +195,11 @@ radio_send(const void *payload, unsigned short payload_len)
   }
 
   /* Transmit on CCA */
-#if WITH_SEND_CCA
+#if COOJA_TRANSMIT_ON_CCA
   if(!channel_clear()) {
     return RADIO_TX_COLLISION;
   }
-#endif /* WITH_SEND_CCA */
+#endif /* COOJA_TRANSMIT_ON_CCA */
 
   /* Copy packet data to temporary storage */
   memcpy(simOutDataBuffer, payload, payload_len);
diff --git a/platform/cooja/dev/cooja-radio.h b/platform/cooja/dev/cooja-radio.h
index b6bfb3aaf..a65a61bb1 100644
--- a/platform/cooja/dev/cooja-radio.h
+++ b/platform/cooja/dev/cooja-radio.h
@@ -36,6 +36,18 @@
 #include "contiki.h"
 #include "dev/radio.h"
 
+#ifdef COOJA_CONF_SIMULATE_TURNAROUND
+#define COOJA_SIMULATE_TURNAROUND COOJA_CONF_SIMULATE_TURNAROUND
+#else
+#define COOJA_SIMULATE_TURNAROUND 1
+#endif
+
+#ifdef COOJA_CONF_TRANSMIT_ON_CCA
+#define COOJA_TRANSMIT_ON_CCA COOJA_CONF_TRANSMIT_ON_CCA
+#else
+#define COOJA_TRANSMIT_ON_CCA 1
+#endif
+
 extern const struct radio_driver cooja_radio_driver;
 
 /**