diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index 236e6d7efb..b9f07ce86b 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -61,6 +61,7 @@ SET( PUBLIC_HEADERS
   ${HEADER_PATH}/color4.inl
   ${CMAKE_CURRENT_BINARY_DIR}/../include/assimp/config.h
   ${HEADER_PATH}/defs.h
+  ${HEADER_PATH}/Defines.h
   ${HEADER_PATH}/cfileio.h
   ${HEADER_PATH}/light.h
   ${HEADER_PATH}/material.h