diff --git a/src/musicbrainz/musicbrainzclient.h b/src/musicbrainz/musicbrainzclient.h
index c91b5da12..e17065343 100644
--- a/src/musicbrainz/musicbrainzclient.h
+++ b/src/musicbrainz/musicbrainzclient.h
@@ -39,7 +39,8 @@ class MusicBrainzClient : public QObject {
 
  public:
   // The second argument allows for specifying a custom network access
-  // manager. It is used in tests.
+  // manager. It is used in tests. The ownership of network
+  // is not transferred.
   MusicBrainzClient(QObject* parent = nullptr,
                     QNetworkAccessManager* network = nullptr);
 
diff --git a/tests/musicbrainzclient_test.cpp b/tests/musicbrainzclient_test.cpp
index ac0306539..52fc5c7c7 100644
--- a/tests/musicbrainzclient_test.cpp
+++ b/tests/musicbrainzclient_test.cpp
@@ -38,11 +38,13 @@ Q_DECLARE_METATYPE(ResultList);
 
 class MusicBrainzClientTest : public ::testing::Test {
  protected:
-  void SetUp() {
-    mock_network_.reset(new MockNetworkAccessManager);
+  static void SetUpTestCase() {
     qRegisterMetaType<ResultList>("MusicBrainzClient::ResultList");
   }
 
+  void SetUp() {
+    mock_network_.reset(new MockNetworkAccessManager);
+  }
 
   // Reads the data from a file into a QByteArray and returns it.
   QByteArray ReadDataFromFile(const QString& filename) {