diff --git a/VirtualRobot/CMakeLists.txt b/VirtualRobot/CMakeLists.txt
index 2b4ff8e30e7d034db6f450a7420a33684e14a0ac..9a1c7f54badd52750be8cf88b4d4396b71e0f7ee 100644
--- a/VirtualRobot/CMakeLists.txt
+++ b/VirtualRobot/CMakeLists.txt
@@ -355,6 +355,7 @@ math/Grid3D.h
 math/GridCacheFloat3.h
 math/WeightedAverage.h
 Util/xml/tinyxml2.h
+Util/json/json.hpp
 )
 
 if (Simox_USE_RBDL AND RBDL_FOUND)