diff --git a/gtsam_unstable/gtsam_unstable.h b/gtsam_unstable/gtsam_unstable.h
index c4feeccef..2f4254cdc 100644
--- a/gtsam_unstable/gtsam_unstable.h
+++ b/gtsam_unstable/gtsam_unstable.h
@@ -451,7 +451,7 @@ virtual class DiscreteEulerPoincareHelicopter : gtsam::NonlinearFactor {
 //*************************************************************************
 // nonlinear
 //*************************************************************************
-#include <gtsam_unstable/nonlinear/summarization.h>
+#include <gtsam_unstable/nonlinear/sequentialSummarization.h>
 gtsam::GaussianFactorGraph* summarizeGraphSequential(
     const gtsam::GaussianFactorGraph& full_graph, const gtsam::KeyVector& indices);
 gtsam::GaussianFactorGraph* summarizeGraphSequential(
diff --git a/gtsam_unstable/nonlinear/summarization.cpp b/gtsam_unstable/nonlinear/sequentialSummarization.cpp
similarity index 94%
rename from gtsam_unstable/nonlinear/summarization.cpp
rename to gtsam_unstable/nonlinear/sequentialSummarization.cpp
index d691574b0..fa0b58836 100644
--- a/gtsam_unstable/nonlinear/summarization.cpp
+++ b/gtsam_unstable/nonlinear/sequentialSummarization.cpp
@@ -6,7 +6,7 @@
  */
 
 #include <gtsam/linear/GaussianSequentialSolver.h>
-#include <gtsam_unstable/nonlinear/summarization.h>
+#include <gtsam_unstable/nonlinear/sequentialSummarization.h>
 
 #include <boost/foreach.hpp>
 
diff --git a/gtsam_unstable/nonlinear/summarization.h b/gtsam_unstable/nonlinear/sequentialSummarization.h
similarity index 100%
rename from gtsam_unstable/nonlinear/summarization.h
rename to gtsam_unstable/nonlinear/sequentialSummarization.h