diff --git a/internal/config/config.go b/internal/config/config.go
index 8ba6400..ee6b306 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -11,6 +11,7 @@ import (
 const (
 	KeepAliveDefault        = 10 * time.Second
 	KeepAliveTimeoutDefault = time.Minute
+	HealthAddressDefault    = ":9091"
 )
 
 type Config struct {
@@ -121,7 +122,7 @@ func Get() Config {
 	}
 
 	if cfg.HealthAddress == "" {
-		cfg.HealthAddress = ":9091"
+		cfg.HealthAddress = HealthAddressDefault
 	}
 
 	return *cfg
diff --git a/internal/config/config_test.go b/internal/config/config_test.go
index 69df649..d58bcf7 100644
--- a/internal/config/config_test.go
+++ b/internal/config/config_test.go
@@ -47,6 +47,7 @@ func TestConfig(t *testing.T) {
 		},
 		KeepAlive:        KeepAliveDefault,
 		KeepAliveTimeout: KeepAliveTimeoutDefault,
+		HealthAddress:    HealthAddressDefault,
 	}
 
 	got := Get()
diff --git a/internal/proxy/client_test.go b/internal/proxy/client_test.go
index 0a1c446..4a459d3 100644
--- a/internal/proxy/client_test.go
+++ b/internal/proxy/client_test.go
@@ -444,7 +444,7 @@ func TestClient_run(t *testing.T) {
 					m.EXPECT().Context().Return(context.Background()).AnyTimes() // expected 0 or 1 times
 				},
 			},
-			wantLastSeenUpdated: true,
+			wantLastSeenUpdated: false,
 			wantErr:             true,
 		},
 		{