diff --git a/README.md b/README.md
index 6831ec08..b13c8d32 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ Supported user databases (for user repository, with passwords or keys, if authen
 
 Redis can also be used for status and statistics storage and notification.
 
-By default a [prometheus](https://prometheus.io/) exporter endpoint is enabled on port 9121 under path /metrics
+By default a [prometheus](https://prometheus.io/) exporter endpoint is enabled on port 9641 under path /metrics
 
 Supported message integrity digest algorithms:
 
diff --git a/examples/etc/turnserver.conf b/examples/etc/turnserver.conf
index 743058eb..adf49422 100644
--- a/examples/etc/turnserver.conf
+++ b/examples/etc/turnserver.conf
@@ -190,7 +190,7 @@
 # By default the turnserver will expose an endpoint with stats on a prometheus format
 # this endpoint is on a different port to conflict with other configurations.
 #
-# You can simply run the turnserver and access the port 9121 and path /metrics
+# You can simply run the turnserver and access the port 9641 and path /metrics
 #
 # For mor info on the prometheus exporter and metrics
 # https://prometheus.io/docs/introduction/overview/
diff --git a/src/apps/relay/mainrelay.c b/src/apps/relay/mainrelay.c
index 54d3f060..02ef9fe6 100644
--- a/src/apps/relay/mainrelay.c
+++ b/src/apps/relay/mainrelay.c
@@ -535,7 +535,7 @@ static char Usage[] = "Usage: turnserver [options]\n"
 "						The connection string has the same parameters as redis-userdb connection string.\n"
 #endif
 #if !defined(TURN_NO_PROMETHEUS)
-" --no-prometheus				Disable prometheus metrics. By default it is enabled and listening on port 9121 unther the path /metrics\n"
+" --no-prometheus				Disable prometheus metrics. By default it is enabled and listening on port 9641 unther the path /metrics\n"
 "						also the path / on this port can be used as a health check\n"
 #endif
 " --use-auth-secret				TURN REST API flag.\n"
diff --git a/src/apps/relay/prom_server.h b/src/apps/relay/prom_server.h
index fcaa9759..0211038d 100644
--- a/src/apps/relay/prom_server.h
+++ b/src/apps/relay/prom_server.h
@@ -14,7 +14,7 @@
 #include <prom.h>
 #include <promhttp.h>
 
-#define DEFAULT_PROM_SERVER_PORT (9121)
+#define DEFAULT_PROM_SERVER_PORT (9641)
 
 prom_gauge_t *turn_status;