diff --git a/gtsam/hybrid/GaussianHybridFactorGraph.h b/gtsam/hybrid/GaussianHybridFactorGraph.h
index c8e0718fc..23d5918d4 100644
--- a/gtsam/hybrid/GaussianHybridFactorGraph.h
+++ b/gtsam/hybrid/GaussianHybridFactorGraph.h
@@ -100,6 +100,7 @@ class GaussianHybridFactorGraph
   /// @}
 
   using FactorGraph::add;
+  using FactorGraph::push_back;
 
   /// Add a Jacobian factor to the factor graph.
   void add(JacobianFactor&& factor);