diff --git a/gtsam/nonlinear/LagoInitializer.cpp b/gtsam/nonlinear/LagoInitializer.cpp
index f7d7f7ce7..9acd52f96 100644
--- a/gtsam/nonlinear/LagoInitializer.cpp
+++ b/gtsam/nonlinear/LagoInitializer.cpp
@@ -145,6 +145,7 @@ GaussianFactorGraph buildLinearOrientationGraph(const std::vector<size_t>& spann
     double key1_DeltaTheta_key2 = deltaTheta(0);
     double k2pi_noise = key1_DeltaTheta_key2 + orientationsToRoot.at(key1) - orientationsToRoot.at(key2); // this coincides to summing up measurements along the cycle induced by the chord
     double k = round(k2pi_noise/(2*M_PI));
+    //if (k2pi_noise - 2*k*M_PI > 1e-5) std::cout << k2pi_noise - 2*k*M_PI << std::endl; // for debug
     Vector deltaThetaRegularized = (Vector(1) << key1_DeltaTheta_key2 - 2*k*M_PI);
     lagoGraph.add(JacobianFactor(key1, -I, key2, I, deltaThetaRegularized, model_deltaTheta));
   }