diff --git a/pkg/trace/api/api_oom_test.go b/pkg/trace/api/api_oom_test.go
index a4e36b6ba0f219..ccf8304c2fa92e 100644
--- a/pkg/trace/api/api_oom_test.go
+++ b/pkg/trace/api/api_oom_test.go
@@ -37,6 +37,7 @@ func TestOOMKill(t *testing.T) {
 	conf.Endpoints[0].APIKey = "apikey_2"
 	conf.WatchdogInterval = time.Millisecond
 	conf.MaxMemory = 0.1 * 1000 * 1000 // 100KB
+	conf.ReceiverPort = 8327           // use non-default port to avoid conflict with running agent
 
 	r := newTestReceiverFromConfig(conf)
 	r.Start()
@@ -58,7 +59,7 @@ func TestOOMKill(t *testing.T) {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			resp, err := http.Post("http://localhost:8126/v0.4/traces", "application/msgpack", bytes.NewReader(data))
+			resp, err := http.Post("http://localhost:8327/v0.4/traces", "application/msgpack", bytes.NewReader(data))
 			if err != nil {
 				t.Log("Error posting payload", err)
 				return
diff --git a/pkg/trace/api/api_test.go b/pkg/trace/api/api_test.go
index 19b468c6745d24..09faf6e7a023f3 100644
--- a/pkg/trace/api/api_test.go
+++ b/pkg/trace/api/api_test.go
@@ -64,6 +64,7 @@ func newTestReceiverConfig() *config.AgentConfig {
 	conf := config.New()
 	conf.Endpoints[0].APIKey = "test"
 	conf.DecoderTimeout = 10000
+	conf.ReceiverPort = 8326 // use non-default port to avoid conflict with a running agent
 
 	return conf
 }
@@ -166,6 +167,8 @@ func TestStateHeaders(t *testing.T) {
 	assert := assert.New(t)
 	cfg := newTestReceiverConfig()
 	cfg.AgentVersion = "testVersion"
+	url := fmt.Sprintf("http://%s:%d",
+		cfg.ReceiverHost, cfg.ReceiverPort)
 	r := newTestReceiverFromConfig(cfg)
 	r.Start()
 	defer r.Stop()
@@ -183,7 +186,7 @@ func TestStateHeaders(t *testing.T) {
 		"/v0.5/traces",
 		"/v0.7/traces",
 	} {
-		resp, err := http.Post("http://localhost:8126"+e, "application/msgpack", bytes.NewReader(data))
+		resp, err := http.Post(url+e, "application/msgpack", bytes.NewReader(data))
 		if err != nil {
 			t.Fatal(err)
 		}