diff --git a/blobstore/shardnode/httpservice.go b/blobstore/shardnode/httpservice.go
index e616dd583..8f39ae781 100644
--- a/blobstore/shardnode/httpservice.go
+++ b/blobstore/shardnode/httpservice.go
@@ -45,12 +45,20 @@ func (s *HttpService) HttpShardStats(c *rpc.Context) {
 
 func (s *HttpService) HttpDeleteBlobStats(c *rpc.Context) {
 	ret := s.deleteBlobStats()
-	c.RespondJSON(ret)
+	if ret == nil {
+		c.RespondJSON(shardnode.ShardnodeTaskStatsRet{})
+		return
+	}
+	c.RespondJSON(*ret)
 }
 
 func (s *HttpService) HttpRepairSliceStats(c *rpc.Context) {
 	ret := s.repairSliceStats()
-	c.RespondJSON(ret)
+	if ret == nil {
+		c.RespondJSON(shardnode.ShardnodeTaskStatsRet{})
+		return
+	}
+	c.RespondJSON(*ret)
 }
 
 func newHttpHandler(service *HttpService) *rpc.Router {
diff --git a/blobstore/shardnode/httpservice_test.go b/blobstore/shardnode/httpservice_test.go
index 5996a5353..853d64306 100644
--- a/blobstore/shardnode/httpservice_test.go
+++ b/blobstore/shardnode/httpservice_test.go
@@ -79,7 +79,8 @@ func TestHttpService_HTTPGet(t *testing.T) {
 	url := fmt.Sprintf("http://127.0.0.1:11000/shard/stats?disk_id=%d&suid=%d", diskID, suid)
 	resp1, err := client.Get(ctx, url)
 	require.Nil(t, err)
-	json.NewDecoder(resp1.Body).Decode(ret1)
+	err = json.NewDecoder(resp1.Body).Decode(ret1)
+	require.NoError(t, err)
 	resp1.Body.Close()
 	require.Equal(t, suid, ret1.Suid)
 
@@ -87,7 +88,8 @@ func TestHttpService_HTTPGet(t *testing.T) {
 	ret2 := &shardnode.ShardnodeTaskStatsRet{}
 	resp2, err := client.Get(ctx, "http://127.0.0.1:11000/blob/delete/stats")
 	require.Nil(t, err)
-	json.NewDecoder(resp2.Body).Decode(ret2)
+	err = json.NewDecoder(resp2.Body).Decode(ret2)
+	require.NoError(t, err)
 	resp2.Body.Close()
 	require.NotNil(t, ret2)
 
@@ -95,7 +97,8 @@ func TestHttpService_HTTPGet(t *testing.T) {
 	ret3 := &shardnode.ShardnodeTaskStatsRet{}
 	resp3, err := client.Get(ctx, "http://127.0.0.1:11000/slice/repair/stats")
 	require.Nil(t, err)
-	json.NewDecoder(resp3.Body).Decode(ret3)
+	err = json.NewDecoder(resp3.Body).Decode(ret3)
+	require.NoError(t, err)
 	resp3.Body.Close()
 	require.NotNil(t, ret3)
 }