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-rw-r--r--src/rpcprotocol.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/rpcprotocol.h b/src/rpcprotocol.h
index f7cd50f9f6..f4a4877d38 100644
--- a/src/rpcprotocol.h
+++ b/src/rpcprotocol.h
@@ -122,8 +122,7 @@ public:
tcp::resolver::query query(server.c_str(), port.c_str());
endpoint_iterator = resolver.resolve(query);
#if BOOST_VERSION >= 104300
- } catch(boost::system::system_error &e)
- {
+ } catch (const boost::system::system_error&) {
// If we at first don't succeed, try blanket lookup (IPv4+IPv6 independent of configured interfaces)
tcp::resolver::query query(server.c_str(), port.c_str(), resolver_query_base::flags());
endpoint_iterator = resolver.resolve(query);