diff --git a/CMake/fl_add_library.cmake b/CMake/fl_add_library.cmake
index 29baa95..6fa2fc5 100644
--- a/CMake/fl_add_library.cmake
+++ b/CMake/fl_add_library.cmake
@@ -36,6 +36,8 @@ macro (FL_ADD_LIBRARY LIBNAME LIBTYPE LIBFILES)
   endif (MSVC)
 
   add_library(${TARGET_NAME} ${LIBTYPE} ${LIBFILES})
+  
+  target_include_directories(${TARGET_NAME} PUBLIC $<INSTALL_INTERFACE:include>)
 
   # target properties for all libraries