diff --git a/src/internet/model/tcp-cubic.cc b/src/internet/model/tcp-cubic.cc
index ea9a47649..90bf920e5 100644
--- a/src/internet/model/tcp-cubic.cc
+++ b/src/internet/model/tcp-cubic.cc
@@ -37,7 +37,7 @@ TcpCubic::GetTypeId()
 {
     static TypeId tid =
         TypeId("ns3::TcpCubic")
-            .SetParent<TcpSocketBase>()
+            .SetParent<TcpCongestionOps>()
             .AddConstructor<TcpCubic>()
             .SetGroupName("Internet")
             .AddAttribute("FastConvergence",