diff --git a/include/bm/softdevice_handler/nrf_sdh.h b/include/bm/softdevice_handler/nrf_sdh.h
index e33fb3646c..819e59d5fd 100644
--- a/include/bm/softdevice_handler/nrf_sdh.h
+++ b/include/bm/softdevice_handler/nrf_sdh.h
@@ -150,8 +150,8 @@ struct nrf_sdh_state_evt_observer {
 #define NRF_SDH_STATE_EVT_OBSERVER(_observer, _handler, _ctx, _prio)                               \
 	PRIO_LEVEL_IS_VALID(_prio);                                                                \
 	static int _handler(enum nrf_sdh_state_evt, void *);                                       \
-	TYPE_SECTION_ITERABLE(struct nrf_sdh_state_evt_observer, _observer,                        \
-			      nrf_sdh_state_evt_observers, PRIO_LEVEL_ORD(_prio)) = {              \
+	static TYPE_SECTION_ITERABLE(struct nrf_sdh_state_evt_observer, _observer,                 \
+				     nrf_sdh_state_evt_observers, PRIO_LEVEL_ORD(_prio)) = {       \
 		.handler = _handler,                                                               \
 		.context = _ctx,                                                                   \
 	}
@@ -191,8 +191,8 @@ struct nrf_sdh_stack_evt_observer {
 #define NRF_SDH_STACK_EVT_OBSERVER(_observer, _handler, _ctx, _prio)                               \
 	PRIO_LEVEL_IS_VALID(_prio);                                                                \
 	static void _handler(void *);                                                              \
-	const TYPE_SECTION_ITERABLE(struct nrf_sdh_stack_evt_observer, _observer,                  \
-				    nrf_sdh_stack_evt_observers, PRIO_LEVEL_ORD(_prio)) = {        \
+	static const TYPE_SECTION_ITERABLE(struct nrf_sdh_stack_evt_observer, _observer,           \
+					   nrf_sdh_stack_evt_observers, PRIO_LEVEL_ORD(_prio)) = { \
 		.handler = _handler,                                                               \
 		.context = _ctx,                                                                   \
 	}
diff --git a/include/bm/softdevice_handler/nrf_sdh_soc.h b/include/bm/softdevice_handler/nrf_sdh_soc.h
index ebe9884a84..595e27814f 100644
--- a/include/bm/softdevice_handler/nrf_sdh_soc.h
+++ b/include/bm/softdevice_handler/nrf_sdh_soc.h
@@ -53,8 +53,8 @@ struct nrf_sdh_soc_evt_observer {
  */
 #define NRF_SDH_SOC_OBSERVER(_observer, _handler, _ctx, _prio)                                     \
 	PRIO_LEVEL_IS_VALID(_prio);                                                                \
-	const TYPE_SECTION_ITERABLE(struct nrf_sdh_soc_evt_observer, _observer,                    \
-				    nrf_sdh_soc_evt_observers, PRIO_LEVEL_ORD(_prio)) = {          \
+	static const TYPE_SECTION_ITERABLE(struct nrf_sdh_soc_evt_observer, _observer,             \
+					   nrf_sdh_soc_evt_observers, PRIO_LEVEL_ORD(_prio)) = {   \
 		.handler = _handler,                                                               \
 		.context = _ctx,                                                                   \
 	}