diff --git a/libweb3jsonrpc/Net.h b/libweb3jsonrpc/Net.h
index bc53e0c2b..dbf63c355 100644
--- a/libweb3jsonrpc/Net.h
+++ b/libweb3jsonrpc/Net.h
@@ -44,7 +44,7 @@ class Net : public NetFace {
     virtual bool net_listening() override;
 
 private:
-    const dev::eth::ChainParams& m_chainParams;
+    const dev::eth::ChainParams m_chainParams;
 };
 
 }  // namespace rpc