diff --git a/sys/dev/nvme/nvme_ctrlr.c b/sys/dev/nvme/nvme_ctrlr.c
index 52834cb26b8..d97575a1958 100644
--- a/sys/dev/nvme/nvme_ctrlr.c
+++ b/sys/dev/nvme/nvme_ctrlr.c
@@ -1167,7 +1167,7 @@ fail:
 	nvme_sysctl_initialize_ctrlr(ctrlr);
 	config_intrhook_disestablish(&ctrlr->config_hook);
 
-	ctrlr->is_initialized = 1;
+	ctrlr->is_initialized = true;
 	nvme_notify_new_controller(ctrlr);
 	TSEXIT();
 }
@@ -1567,7 +1567,7 @@ nvme_ctrlr_construct(struct nvme_controller *ctrlr, device_t dev)
 	taskqueue_start_threads(&ctrlr->taskqueue, 2, PI_DISK, "nvme taskq");
 
 	ctrlr->is_resetting = 0;
-	ctrlr->is_initialized = 0;
+	ctrlr->is_initialized = false;
 	ctrlr->notification_sent = 0;
 	TASK_INIT(&ctrlr->reset_task, 0, nvme_ctrlr_reset_task, ctrlr);
 	STAILQ_INIT(&ctrlr->fail_req);
diff --git a/sys/dev/nvme/nvme_private.h b/sys/dev/nvme/nvme_private.h
index 05b5f3189eb..57613242ea8 100644
--- a/sys/dev/nvme/nvme_private.h
+++ b/sys/dev/nvme/nvme_private.h
@@ -298,12 +298,13 @@ struct nvme_controller {
 	void				*cons_cookie[NVME_MAX_CONSUMERS];
 
 	uint32_t			is_resetting;
-	uint32_t			is_initialized;
 	uint32_t			notification_sent;
 
 	bool				is_failed;
 	bool				is_dying;
 	bool				isr_warned;
+	bool				is_initialized;
+
 	STAILQ_HEAD(, nvme_request)	fail_req;
 
 	/* Host Memory Buffer */