diff --git a/datastore.cpp b/datastore.cpp
index 74a7bcd0bcd..819820a3b49 100644
--- a/datastore.cpp
+++ b/datastore.cpp
@@ -124,7 +124,8 @@ int main( const int argc, const char * argv[] ) {
         paths_iterator = server_paths.find("fileindex");
         BOOST_ASSERT(server_paths.end() != paths_iterator);
         BOOST_ASSERT(!paths_iterator->second.empty());
-        const std::string & file_index_file_name = paths_iterator->second.string();
+        const boost::filesystem::path index_file_path_absolute = boost::filesystem::absolute(paths_iterator->second);
+        const std::string & file_index_file_name = index_file_path_absolute.string();
         paths_iterator = server_paths.find("nodesdata");
         BOOST_ASSERT(server_paths.end() != paths_iterator);
         BOOST_ASSERT(!paths_iterator->second.empty());