diff --git a/gtsam/hybrid/tests/testHybridBayesNet.cpp b/gtsam/hybrid/tests/testHybridBayesNet.cpp
index 3593e1952..050c01aed 100644
--- a/gtsam/hybrid/tests/testHybridBayesNet.cpp
+++ b/gtsam/hybrid/tests/testHybridBayesNet.cpp
@@ -216,7 +216,7 @@ TEST(HybridBayesNet, Error) {
 
   // Verify error computation and check for specific error value
   DiscreteValues discrete_values;
-  insert(discrete_values)(M(0), 1)(M(1), 1);
+  boost::assign::insert(discrete_values)(M(0), 1)(M(1), 1);
 
   double total_error = 0;
   for (size_t idx = 0; idx < hybridBayesNet->size(); idx++) {