diff --git a/Linux/CMakeLists.txt b/Linux/CMakeLists.txt
index 6a45f9f..44abf61 100644
--- a/Linux/CMakeLists.txt
+++ b/Linux/CMakeLists.txt
@@ -60,8 +60,10 @@ ADD_FEATURE_INFO(RTIMULibDemo BUILD_DEMO "GUI app that displays the fused IMU da
 ADD_FEATURE_INFO(RTIMULibDemoGL BUILD_DEMOGL "RTIMULibDemo with OpenGL visualization")
 
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../RTIMULib)
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../RTEllipsoidFit)
 
 ADD_SUBDIRECTORY(${CMAKE_CURRENT_SOURCE_DIR}/../RTIMULib RTIMULib)
+ADD_SUBDIRECTORY(${CMAKE_CURRENT_SOURCE_DIR}/../RTEllipsoidFit RTEllipsoidFit)
 
 IF(BUILD_GL)
     INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/RTIMULibGL)