diff --git a/include/transport/pqxxbackend.h b/include/transport/pqxxbackend.h
index f02d86fc068b43d4b9189b3ca29540dd6bc83411..f571433b340f931bef990b7d5be5a1b0b0d8e3d6 100644
--- a/include/transport/pqxxbackend.h
+++ b/include/transport/pqxxbackend.h
@@ -97,9 +97,9 @@ class PQXXBackend : public StorageBackend
 
 	private:
 		bool exec(const std::string &query, bool show_error = true);
-		bool exec(pqxx::work &txn, const std::string &query, bool show_error = true);
+		bool exec(pqxx::nontransaction &txn, const std::string &query, bool show_error = true);
 		template<typename T>
-		std::string quote(pqxx::work &txn, const T &t);
+		std::string quote(pqxx::nontransaction &txn, const T &t);
 
 		Config *m_config;
 		std::string m_prefix;