diff --git a/daemon/call.c b/daemon/call.c
index f700cfea4..536890693 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -572,9 +572,6 @@ void call_timer(void *ptr) {
 
 	stats_counters_calc_rate(&rtpe_stats, run_diff_us, &rtpe_stats_intv, &rtpe_stats_rate);
 
-	// TODO: should be moved into a separate thread/timer
-	stats_rate_min_max(&rtpe_rate_graphite_min_max, &rtpe_stats_rate);
-
 	// stats derived while iterating calls
 	RTPE_GAUGE_SET(transcoded_media, hlp.transcoded_media);
 
diff --git a/daemon/main.c b/daemon/main.c
index f16d069db..3b3cfec52 100644
--- a/daemon/main.c
+++ b/daemon/main.c
@@ -1350,6 +1350,10 @@ int main(int argc, char **argv) {
 	thread_create_detach_prio(sockets_releaser, NULL, rtpe_config.idle_scheduling,
 			rtpe_config.idle_priority, "release closed sockets");
 
+	/* separate thread for update of running min/max call counters */
+	thread_create_detach_prio(call_rate_stats_updater, NULL, rtpe_config.idle_scheduling,
+			rtpe_config.idle_priority, "call rate stats");
+
 	if (!is_addr_unspecified(&rtpe_config.redis_ep.address) && initial_rtpe_config.redis_delete_async)
 		thread_create_detach(redis_delete_async_loop, NULL, "redis async");
 
diff --git a/daemon/statistics.c b/daemon/statistics.c
index bee446b4e..c881b42b6 100644
--- a/daemon/statistics.c
+++ b/daemon/statistics.c
@@ -1017,3 +1017,16 @@ const char *statistics_ng(bencode_item_t *input, bencode_item_t *output) {
 
 	return NULL;
 }
+
+/**
+ * Separate thread for update of running min/max call counters.
+ */
+void call_rate_stats_updater(void * dummy) {
+	while (!rtpe_shutdown) {
+		stats_rate_min_max(&rtpe_rate_graphite_min_max, &rtpe_stats_rate);
+
+		thread_cancel_enable();
+		usleep(1000000);			/* sleep for 1 second in each iteration */
+		thread_cancel_disable();
+	}
+}
diff --git a/include/statistics.h b/include/statistics.h
index fc5f85c92..38485b318 100644
--- a/include/statistics.h
+++ b/include/statistics.h
@@ -197,6 +197,7 @@ void statistics_update_foreignown_inc(struct call* c);
 GQueue *statistics_gather_metrics(struct interface_sampled_rate_stats *);
 void statistics_free_metrics(GQueue **);
 const char *statistics_ng(bencode_item_t *input, bencode_item_t *output);
+void call_rate_stats_updater(void * dummy);
 
 INLINE void stats_counters_calc_rate(const struct global_stats_counter *stats, long long run_diff_us,
 		struct global_stats_counter *intv, struct global_stats_counter *rate)