--- ../luxrays/samples/luxcoredemo/CMakeLists.txt.orig
+++ ../luxrays/samples/luxcoredemo/CMakeLists.txt
@@ -22,10 +22,12 @@
 #
 ################################################################################
 
+find_package(Threads)
+
 set(LUXCORELIBDEMO_SRCS
 	luxcoredemo.cpp
 	)
 
 add_executable(luxcoredemo ${LUXCORELIBDEMO_SRCS})
 
-TARGET_LINK_LIBRARIES(luxcoredemo luxcore smallluxgpu luxrays ${TIFF_LIBRARIES} ${OPENEXR_LIBRARIES} ${PNG_LIBRARIES} ${JPEG_LIBRARIES})
+TARGET_LINK_LIBRARIES(luxcoredemo luxcore smallluxgpu luxrays ${TIFF_LIBRARIES} ${OPENEXR_LIBRARIES} ${PNG_LIBRARIES} ${JPEG_LIBRARIES} ${PYTHON_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})