diff --git a/similarity_search/src/method/hnsw.cc b/similarity_search/src/method/hnsw.cc
index d56ff17..9b9dce0 100644
--- a/similarity_search/src/method/hnsw.cc
+++ b/similarity_search/src/method/hnsw.cc
@@ -1349,7 +1349,7 @@ namespace similarity {
             }
         }
 
-        SortArrBI<dist_t, HnswNode *> sortedArr(ef_); // max<size_t>(ef_, query->GetK())
+        SortArrBI<dist_t, HnswNode *> sortedArr(max<size_t>(ef_, 1000); // max<size_t>(ef_, query->GetK())
         sortedArr.push_unsorted_grow(curdist, curNode);
 
         int_fast32_t currElem = 0;
diff --git a/similarity_search/src/method/small_world_rand.cc b/similarity_search/src/method/small_world_rand.cc
index 1d2d3dd..32aa605 100644
--- a/similarity_search/src/method/small_world_rand.cc
+++ b/similarity_search/src/method/small_world_rand.cc
@@ -601,7 +601,7 @@ void SmallWorldRand<dist_t>::addCriticalSection(MSWNode *newElement){
 template <typename dist_t>
 void SmallWorldRand<dist_t>::Search(RangeQuery<dist_t>* query, IdType) const {
 //  throw runtime_error("Range search is not supported!");
-    if (searchAlgoType_ == kV1Merge) SearchV1Merge(query);
+    if (searchAlgoType_ == kV1Merge) { std::cerr << "call SearchV1Merge" << endl; SearchV1Merge(query);}
 //  else SearchOld(query);
 }