diff --git a/src/caffe/layers/data_layer.cpp b/src/caffe/layers/data_layer.cpp
index d1262d03f24..ffb7fd0a9e2 100644
--- a/src/caffe/layers/data_layer.cpp
+++ b/src/caffe/layers/data_layer.cpp
@@ -129,6 +129,7 @@ void DataLayer<Dtype>::SetUp(const vector<Blob<Dtype>*>& bottom,
   leveldb::DB* db_temp;
   leveldb::Options options;
   options.create_if_missing = false;
+  options.max_open_files = 100;
   LOG(INFO) << "Opening leveldb " << this->layer_param_.source();
   leveldb::Status status = leveldb::DB::Open(
       options, this->layer_param_.source(), &db_temp);