diff --git a/internal/middleware/auth_test.go b/internal/middleware/auth_test.go
index 0ec1e66..6c11041 100644
--- a/internal/middleware/auth_test.go
+++ b/internal/middleware/auth_test.go
@@ -28,8 +28,8 @@ func TestNewAuthWithoutAuthorization(t *testing.T) {
 	middleware := NewAuth(verifier)
 	handler := middleware(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		called = true
-		if id := GetUserIDFromContext(r.Context()); id != 0 {
-			t.Fatalf("unexpected user id %d", id)
+		if id := GetUserIDFromContext(r.Context()); id != nil {
+			t.Fatalf("unexpected user id %v", id)
 		}
 	}))
 
@@ -54,8 +54,13 @@ func TestNewAuthValidToken(t *testing.T) {
 	handlerCalled := false
 	handler := middleware(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		handlerCalled = true
-		if id := GetUserIDFromContext(r.Context()); id != 99 {
-			t.Fatalf("expected user id 99, got %d", id)
+		id := GetUserIDFromContext(r.Context())
+		if id == nil || *id != 99 {
+			v := uint(0)
+			if id != nil {
+				v = *id
+			}
+			t.Fatalf("expected user id 99, got %d", v)
 		}
 	}))
 
@@ -131,11 +136,12 @@ func TestNewAuthVerifierError(t *testing.T) {
 func TestGetUserIDFromContext(t *testing.T) {
 	ctx := context.WithValue(context.Background(), UserIDKey, uint(55))
 
-	if id := GetUserIDFromContext(ctx); id != 55 {
-		t.Fatalf("expected id 55, got %d", id)
+	id := GetUserIDFromContext(ctx)
+	if id == nil || *id != 55 {
+		t.Fatalf("expected id 55, got %v", id)
 	}
 
-	if id := GetUserIDFromContext(context.Background()); id != 0 {
-		t.Fatalf("expected zero when id missing, got %d", id)
+	if ptr := GetUserIDFromContext(context.Background()); ptr != nil {
+		t.Fatalf("expected nil when id missing, got %v", ptr)
 	}
 }