diff --git a/include/thingset/can.h b/include/thingset/can.h
index 5eb3c83..c58046b 100644
--- a/include/thingset/can.h
+++ b/include/thingset/can.h
@@ -271,6 +271,7 @@ struct thingset_can
 #ifdef CONFIG_THINGSET_CAN_CONTROL_REPORTING
     int64_t next_control_report_time;
 #endif
+    struct k_timer timeout_timer;
     uint8_t node_addr;
     /** bus or bridge number */
     uint8_t route;
diff --git a/src/can.c b/src/can.c
index 05357a6..7fddef8 100644
--- a/src/can.c
+++ b/src/can.c
@@ -561,8 +561,7 @@ static void thingset_can_reqresp_sent_callback(int result, void *arg)
 
 static void thingset_can_timeout_timer_expired(struct k_timer *timer)
 {
-    ARG_UNUSED(timer);
-
+    struct thingset_can *ts_can = CONTAINER_OF(timer, struct thingset_can, timeout_timer);
     k_event_set(&ts_can->events, EVENT_ADDRESS_CLAIM_TIMED_OUT);
 }
 
@@ -577,7 +576,6 @@ int thingset_can_init_inst(struct thingset_can *ts_can, const struct device *can
     struct can_frame tx_frame = {
         .flags = CAN_FRAME_IDE,
     };
-    struct k_timer timeout_timer;
     int filter_id;
     int err;
 
@@ -593,7 +591,7 @@ int thingset_can_init_inst(struct thingset_can *ts_can, const struct device *can
 #endif
     k_sem_init(&ts_can->request_response.sem, 1, 1);
     k_sem_init(&ts_can->report_tx_sem, 0, 1);
-    k_timer_init(&timeout_timer, thingset_can_timeout_timer_expired,
+    k_timer_init(&ts_can->timeout_timer, thingset_can_timeout_timer_expired,
                  thingset_can_timeout_timer_stopped);
 
 #ifdef CONFIG_THINGSET_SUBSET_LIVE_METRICS
@@ -613,7 +611,7 @@ int thingset_can_init_inst(struct thingset_can *ts_can, const struct device *can
     }
 
     k_event_init(&ts_can->events);
-    k_timer_start(&timeout_timer, timeout, K_NO_WAIT);
+    k_timer_start(&ts_can->timeout_timer, timeout, K_NO_WAIT);
 
 #ifdef CONFIG_CAN_FD_MODE
     can_mode_t supported_modes;
@@ -715,7 +713,7 @@ int thingset_can_init_inst(struct thingset_can *ts_can, const struct device *can
             if (err_cnt_after.tx_err_cnt <= err_cnt_before.tx_err_cnt) {
                 /* address claiming is finished */
                 k_event_post(&ts_can->events, EVENT_ADDRESS_CLAIMING_FINISHED);
-                k_timer_stop(&timeout_timer);
+                k_timer_stop(&ts_can->timeout_timer);
                 LOG_INF("Using CAN node address 0x%.2X on %s", ts_can->node_addr,
                         ts_can->dev->name);
                 break;