diff --git a/include/libwebsockets/lws-secure-streams-policy.h b/include/libwebsockets/lws-secure-streams-policy.h
index a6d0f8cb7..d6dd046bd 100644
--- a/include/libwebsockets/lws-secure-streams-policy.h
+++ b/include/libwebsockets/lws-secure-streams-policy.h
@@ -87,7 +87,7 @@ typedef struct lws_metric_policy {
 	const char			*report;
 
 	/**< the metrics policy name in the policy, used to bind to it */
-	uint32_t			us_schedule;
+	uint64_t			us_schedule;
 	/**< us interval between lws_system metrics api reports */
 
 	uint32_t			us_decay_unit;
diff --git a/lib/secure-streams/policy-json.c b/lib/secure-streams/policy-json.c
index 7ecba8c34..180de3207 100644
--- a/lib/secure-streams/policy-json.c
+++ b/lib/secure-streams/policy-json.c
@@ -564,7 +564,7 @@ lws_ss_policy_parser_cb(struct lejp_ctx *ctx, char reason)
 		goto string2;
 
 	case LSSPPT_METRICS_US_SCHEDULE:
-		a->curr[LTY_METRICS].m->us_schedule = (uint32_t)atol(ctx->buf);
+		a->curr[LTY_METRICS].m->us_schedule = (uint64_t)atol(ctx->buf);
 		break;
 
 	case LSSPPT_METRICS_US_HALFLIFE:
diff --git a/lib/system/metrics/metrics.c b/lib/system/metrics/metrics.c
index 95a599f3c..2321cca9c 100644
--- a/lib/system/metrics/metrics.c
+++ b/lib/system/metrics/metrics.c
@@ -184,7 +184,7 @@ lws_metrics_periodic_cb(lws_sorted_usec_list_t *sul)
 	if (dmp->policy->us_schedule)
 		lws_sul_schedule(ctx, 0, &dmp->sul,
 				 lws_metrics_periodic_cb,
-				 dmp->policy->us_schedule);
+				 (lws_usec_t)dmp->policy->us_schedule);
 }
 
 /*
@@ -213,7 +213,7 @@ lws_metrics_policy_dyn_create(struct lws_context *ctx,
 	if (po->us_schedule)
 		lws_sul_schedule(ctx, 0, &dmet->sul,
 				 lws_metrics_periodic_cb,
-				 po->us_schedule);
+				 (lws_usec_t)po->us_schedule);
 
 	return dmet;
 }