diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3f81fa8..f3c6791 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -87,9 +87,11 @@ if (NOT MSVC)
 	set(tiny_bvh_speedtest_cxx_flags ${common_cxx_flags})
 	set(tiny_bvh_speedtest_link_flags ${common_link_flags})
 
+	# OpenCL headers
+
 	if (NOT APPLE AND NOT EMSCRIPTEN)
-		set(tiny_bvh_speedtest_cxx_flags ${tiny_bvh_speedtest_cxx_flags} -fopenmp)
-		set(tiny_bvh_speedtest_link_flags ${tiny_bvh_speedtest_link_flags} -fopenmp)
+		set(tiny_bvh_speedtest_cxx_flags ${tiny_bvh_speedtest_cxx_flags} -fopenmp -Iexternal/OpenCL/inc)
+		set(tiny_bvh_speedtest_link_flags ${tiny_bvh_speedtest_link_flags} -fopenmp -Lexternal/OpenCL/lib)
 	elseif (EMSCRIPTEN)
 		# Embed Sponza into the wasm to load it (in theory there are other methods, but this is the simplest)
 		# See https://emscripten.org/docs/porting/files/packaging_files.html#modifying-file-locations-in-the-virtual-file-system