diff --git a/backend/app/store/engine/bolt_admin_test.go b/backend/app/store/engine/bolt_admin_test.go
index 69778ee4..b2196f43 100644
--- a/backend/app/store/engine/bolt_admin_test.go
+++ b/backend/app/store/engine/bolt_admin_test.go
@@ -107,6 +107,7 @@ func TestBoltAdmin_DeleteUser(t *testing.T) {
 
 	b, teardown := prep(t)
 	defer teardown()
+
 	err := b.DeleteUser("radio-t", "user1")
 	require.NoError(t, err)
 
@@ -157,6 +158,7 @@ func TestBoltAdmin_BlockUserWithTTL(t *testing.T) {
 
 	b, teardown := prep(t)
 	defer teardown()
+
 	assert.False(t, b.IsBlocked("radio-t", "user1"), "nothing blocked")
 	assert.NoError(t, b.SetBlock("radio-t", "user1", true, 50*time.Millisecond))
 	assert.True(t, b.IsBlocked("radio-t", "user1"), "user1 blocked")
diff --git a/backend/app/store/service/service_test.go b/backend/app/store/service/service_test.go
index 2612e945..bd3e2541 100644
--- a/backend/app/store/service/service_test.go
+++ b/backend/app/store/service/service_test.go
@@ -45,7 +45,7 @@ func TestService_CreateFromEmpty(t *testing.T) {
 	assert.Equal(t, "user", res.User.ID)
 	assert.Equal(t, "name", res.User.Name)
 	assert.Equal(t, "23f97cf4d5c29ef788ca2bdd1c9e75656c0e4149", res.User.IP)
-	assert.Equal(t, map[string]bool{}, res.Votes)
+	assert.Equal(t, map[string]bool(nil), res.Votes)
 }
 
 func TestService_CreateFromPartial(t *testing.T) {
@@ -174,7 +174,7 @@ func TestService_Vote(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, 3, len(res))
 	assert.Equal(t, 0, res[0].Score)
-	assert.Equal(t, map[string]bool{}, res[0].Votes, "no votes initially")
+	assert.Equal(t, map[string]bool(nil), res[0].Votes, "no votes initially")
 
 	c, err := b.Vote(store.Locator{URL: "https://radio-t.com", SiteID: "radio-t"}, res[0].ID, "user1", true)
 	assert.Nil(t, err)
@@ -200,7 +200,7 @@ func TestService_Vote(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, 3, len(res))
 	assert.Equal(t, 0, res[0].Score)
-	assert.Equal(t, map[string]bool{}, res[0].Votes, "vote reset ok")
+	assert.Equal(t, map[string]bool(nil), res[0].Votes, "vote reset ok")
 }
 
 func TestService_VoteLimit(t *testing.T) {
@@ -246,7 +246,7 @@ func TestService_VoteAggressive(t *testing.T) {
 	t.Logf("%+v", res[0])
 	assert.Equal(t, 3, len(res))
 	assert.Equal(t, 0, res[0].Score)
-	assert.Equal(t, map[string]bool{}, res[0].Votes, "no votes initially")
+	assert.Equal(t, map[string]bool(nil), res[0].Votes, "no votes initially")
 
 	// add a vote as user2
 	_, err = b.Vote(store.Locator{URL: "https://radio-t.com", SiteID: "radio-t"}, res[0].ID, "user2", true)
@@ -258,7 +258,8 @@ func TestService_VoteAggressive(t *testing.T) {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			b.Vote(store.Locator{URL: "https://radio-t.com", SiteID: "radio-t"}, res[0].ID, "user1", true)
+			_, _ = b.Vote(store.Locator{URL: "https://radio-t.com", SiteID: "radio-t"}, res[0].ID, "user1", true)
+
 		}()
 	}
 	wg.Wait()
@@ -277,7 +278,7 @@ func TestService_VoteAggressive(t *testing.T) {
 		go func() {
 			defer wg.Done()
 			val := rand.Intn(2) > 0
-			b.Vote(store.Locator{URL: "https://radio-t.com", SiteID: "radio-t"}, res[0].ID, "user1", val)
+			_, _ = b.Vote(store.Locator{URL: "https://radio-t.com", SiteID: "radio-t"}, res[0].ID, "user1", val)
 		}()
 	}
 	wg.Wait()