diff --git a/indexer/mwm_set.cpp b/indexer/mwm_set.cpp
index 0bd57dd487..e901be08d5 100644
--- a/indexer/mwm_set.cpp
+++ b/indexer/mwm_set.cpp
@@ -339,6 +339,7 @@ void MwmSet::UnlockValueImpl(MwmId const & id, unique_ptr<MwmValue> p, EventList
     m_cache.push_back(make_pair(id, move(p)));
     if (m_cache.size() > m_cacheSize)
     {
+      LOG(LDEBUG, ("MwmValue max cache size reached! Added", id, "removed", m_cache.front().first));
       ASSERT_EQUAL(m_cache.size(), m_cacheSize + 1, ());
       m_cache.pop_front();
     }