diff --git a/Server/DataStructures/InternalDataFacade.h b/Server/DataStructures/InternalDataFacade.h
index 16b112dd3..c2055bb08 100644
--- a/Server/DataStructures/InternalDataFacade.h
+++ b/Server/DataStructures/InternalDataFacade.h
@@ -212,7 +212,10 @@ template <class EdgeDataT> class InternalDataFacade : public BaseDataFacade<Edge
         BOOST_ASSERT_MSG(0 != number_of_chars, "name file broken");
         m_names_char_list.resize(number_of_chars + 1); //+1 gives sentinel element
         name_stream.read((char *)&m_names_char_list[0], number_of_chars * sizeof(char));
-        BOOST_ASSERT_MSG(0 != m_names_char_list.size(), "could not load any names");
+        if (0 == m_names_char_list.size())
+        {
+            SimpleLogger().Write(logWARNING) << "list of street names is empty";
+        }
         name_stream.close();
     }