diff --git a/lib/AutoClusterFailover.cc b/lib/AutoClusterFailover.cc
index 4fdfc1e4..7b472511 100644
--- a/lib/AutoClusterFailover.cc
+++ b/lib/AutoClusterFailover.cc
@@ -173,7 +173,7 @@ class AutoClusterFailoverImpl : public std::enable_shared_from_this<AutoClusterF
         ASIO_ERROR ignored;
         context->resolver.cancel();
         context->socket.close(ignored);
-        context->timer.cancel(ignored);
+        context->timer.cancel();
 
         context->callback(success);
     }