diff --git a/indexer/feature_data.cpp b/indexer/feature_data.cpp
index fe859ef5d9..111f2e1cff 100644
--- a/indexer/feature_data.cpp
+++ b/indexer/feature_data.cpp
@@ -322,6 +322,7 @@ bool FeatureParams::FinishAddingTypes()
   static uint32_t const boundary = classif().GetTypeByPath({ "boundary", "administrative" });
 
   vector<uint32_t> newTypes;
+  newTypes.reserve(m_Types.size());
 
   for (size_t i = 0; i < m_Types.size(); ++i)
   {