diff --git a/sys/auto_init/netif/auto_init_kw2xrf.c b/sys/auto_init/netif/auto_init_kw2xrf.c
index 652040f0f2..3b522803e0 100644
--- a/sys/auto_init/netif/auto_init_kw2xrf.c
+++ b/sys/auto_init/netif/auto_init_kw2xrf.c
@@ -36,7 +36,7 @@
  * @{
  */
 #define KW2XRF_MAC_STACKSIZE     (THREAD_STACKSIZE_DEFAULT)
-#define KW2XRF_MAC_PRIO          (THREAD_PRIORITY_MAIN - 3)
+#define KW2XRF_MAC_PRIO          (THREAD_PRIORITY_MAIN - 4)
 
 #define KW2XRF_NUM (sizeof(kw2xrf_params)/sizeof(kw2xrf_params[0]))
 
diff --git a/sys/auto_init/netif/auto_init_ng_at86rf2xx.c b/sys/auto_init/netif/auto_init_ng_at86rf2xx.c
index f073494bb3..02a4876168 100644
--- a/sys/auto_init/netif/auto_init_ng_at86rf2xx.c
+++ b/sys/auto_init/netif/auto_init_ng_at86rf2xx.c
@@ -34,7 +34,7 @@
  * @{
  */
 #define AT86RF2XX_MAC_STACKSIZE     (THREAD_STACKSIZE_DEFAULT)
-#define AT86RF2XX_MAC_PRIO          (THREAD_PRIORITY_MAIN - 3)
+#define AT86RF2XX_MAC_PRIO          (THREAD_PRIORITY_MAIN - 4)
 
 #define AT86RF2XX_NUM (sizeof(at86rf2xx_params)/sizeof(at86rf2xx_params[0]))
 
diff --git a/sys/auto_init/netif/auto_init_ng_netdev_eth.c b/sys/auto_init/netif/auto_init_ng_netdev_eth.c
index 19803a5fb4..e998a577e6 100644
--- a/sys/auto_init/netif/auto_init_ng_netdev_eth.c
+++ b/sys/auto_init/netif/auto_init_ng_netdev_eth.c
@@ -36,7 +36,7 @@
  * @{
  */
 #define NETDEV_ETH_MAC_STACKSIZE     (THREAD_STACKSIZE_DEFAULT)
-#define NETDEV_ETH_MAC_PRIO          (THREAD_PRIORITY_MAIN - 3)
+#define NETDEV_ETH_MAC_PRIO          (THREAD_PRIORITY_MAIN - 4)
 
 static char _nomac_stack[NETDEV_ETH_MAC_STACKSIZE];
 
diff --git a/sys/auto_init/netif/auto_init_slip.c b/sys/auto_init/netif/auto_init_slip.c
index 67fc211fe4..aa05a6da41 100644
--- a/sys/auto_init/netif/auto_init_slip.c
+++ b/sys/auto_init/netif/auto_init_slip.c
@@ -38,7 +38,7 @@ static ng_slip_dev_t slip_devs[SLIP_NUM];
  * @{
  */
 #define SLIP_STACKSIZE          (KERNEL_CONF_STACKSIZE_DEFAULT)
-#define SLIP_PRIO               (PRIORITY_MAIN - 3)
+#define SLIP_PRIO               (PRIORITY_MAIN - 4)
 
 /**
  * @brief   Stacks for the MAC layer threads
diff --git a/sys/auto_init/netif/auto_init_xbee.c b/sys/auto_init/netif/auto_init_xbee.c
index 8ca024cf71..e106bd91ec 100644
--- a/sys/auto_init/netif/auto_init_xbee.c
+++ b/sys/auto_init/netif/auto_init_xbee.c
@@ -38,7 +38,7 @@ static xbee_t xbee_devs[XBEE_NUM];
  * @{
  */
 #define XBEE_MAC_STACKSIZE           (THREAD_STACKSIZE_DEFAULT)
-#define XBEE_MAC_PRIO                (THREAD_PRIORITY_MAIN - 3)
+#define XBEE_MAC_PRIO                (THREAD_PRIORITY_MAIN - 4)
 
 /**
  * @brief   Stacks for the MAC layer threads