diff --git a/cmd/agent/agent.go b/cmd/agent/agent.go
index 5f3d781e6..819aeb15b 100644
--- a/cmd/agent/agent.go
+++ b/cmd/agent/agent.go
@@ -17,6 +17,7 @@ package main
 import (
 	"context"
 	"crypto/tls"
+	"fmt"
 	"net/http"
 	"os"
 	"runtime"
@@ -89,7 +90,7 @@ func loop(c *cli.Context) error {
 
 	if c.Bool("healthcheck") {
 		go func() {
-			if err := http.ListenAndServe(":3000", nil); err != nil {
+			if err := http.ListenAndServe(fmt.Sprintf(":%d", c.Int("healthcheck-port")), nil); err != nil {
 				log.Error().Msgf("can not listen on port 3000: %v", err)
 			}
 		}()
diff --git a/cmd/agent/flags.go b/cmd/agent/flags.go
index ebf9b39c2..a613f8194 100644
--- a/cmd/agent/flags.go
+++ b/cmd/agent/flags.go
@@ -89,6 +89,12 @@ var flags = []cli.Flag{
 		Usage:   "enable healthcheck endpoint",
 		Value:   true,
 	},
+	&cli.IntFlag{
+		EnvVars: []string{"WOODPECKER_HEALTHCHECK_PORT"},
+		Name:    "healthcheck-port",
+		Usage:   "port used for healthcheck endpoint",
+		Value:   3000,
+	},
 	&cli.DurationFlag{
 		EnvVars: []string{"WOODPECKER_KEEPALIVE_TIME"},
 		Name:    "keepalive-time",