diff --git a/examples/easyPoint2KalmanFilter.cpp b/examples/easyPoint2KalmanFilter.cpp
index 2b4d2476a..6d75e9149 100644
--- a/examples/easyPoint2KalmanFilter.cpp
+++ b/examples/easyPoint2KalmanFilter.cpp
@@ -21,7 +21,7 @@
  * @author Stephen Williams
  */
 
-#include <gtsam/nonlinear/ExtendedKalmanFilter-inl.h>
+#include <gtsam/nonlinear/ExtendedKalmanFilter.h>
 #include <gtsam/nonlinear/Symbol.h>
 #include <gtsam/slam/PriorFactor.h>
 #include <gtsam/slam/BetweenFactor.h>
diff --git a/gtsam/nonlinear/ExtendedKalmanFilter.h b/gtsam/nonlinear/ExtendedKalmanFilter.h
index 353439d98..ebca4899c 100644
--- a/gtsam/nonlinear/ExtendedKalmanFilter.h
+++ b/gtsam/nonlinear/ExtendedKalmanFilter.h
@@ -90,3 +90,5 @@ namespace gtsam {
 	};
 
 } // namespace
+
+#include <gtsam/nonlinear/ExtendedKalmanFilter-inl.h>