diff --git a/EKF/control.cpp b/EKF/control.cpp
index da5625b143..b442ec64fa 100644
--- a/EKF/control.cpp
+++ b/EKF/control.cpp
@@ -39,7 +39,7 @@
  *
  */
 
-#include <ecl/ecl.h>
+#include "../ecl.h"
 #include "ekf.h"
 
 void Ekf::controlFusionModes()
diff --git a/EKF/estimator_interface.cpp b/EKF/estimator_interface.cpp
index 1a6bda9e55..94e9d70ade 100644
--- a/EKF/estimator_interface.cpp
+++ b/EKF/estimator_interface.cpp
@@ -43,7 +43,7 @@
 #define __STDC_FORMAT_MACROS
 #include <inttypes.h>
 #include <math.h>
-#include <ecl/ecl.h>
+#include "../ecl.h"
 #include "estimator_interface.h"
 #include "mathlib.h"
 
diff --git a/EKF/gps_checks.cpp b/EKF/gps_checks.cpp
index 91066bd897..ffdd04c5e8 100644
--- a/EKF/gps_checks.cpp
+++ b/EKF/gps_checks.cpp
@@ -39,7 +39,7 @@
  *
  */
 
-#include <ecl/ecl.h>
+#include "../ecl.h"
 #include "ekf.h"
 #include "mathlib.h"
 #include "geo.h"