diff --git a/src/nupic/algorithms/SDRClassifier.hpp b/src/nupic/algorithms/SDRClassifier.hpp
index bc9e0d6eaf..20cce48705 100644
--- a/src/nupic/algorithms/SDRClassifier.hpp
+++ b/src/nupic/algorithms/SDRClassifier.hpp
@@ -33,8 +33,8 @@
 #include <string>
 #include <vector>
 
-#include <nupic/math/DenseMatrix.hpp>
 #include <nupic/algorithms/ClassifierResult.hpp>
+#include <nupic/math/DenseMatrix.hpp>
 #include <nupic/proto/SdrClassifier.capnp.h>
 #include <nupic/types/Serializable.hpp>
 #include <nupic/types/Types.hpp>