diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e0beed..d28a04c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -137,13 +137,12 @@ if(MESHOPT_BUILD_GLTFPACK)
         target_compile_definitions(gltfpack PRIVATE WITH_BASISU)
         set_source_files_properties(gltf/basisenc.cpp gltf/basislib.cpp PROPERTIES INCLUDE_DIRECTORIES ${BASISU_PATH})
 
-        if(NOT MSVC AND CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64")
+        if(NOT MSVC AND CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
             set_source_files_properties(gltf/basislib.cpp PROPERTIES COMPILE_OPTIONS -msse4.1)
         endif()
 
-        if(UNIX)
-            target_link_libraries(gltfpack pthread)
-        endif()
+        find_package(Threads REQUIRED)
+        target_link_libraries(gltfpack Threads::Threads)
     endif()
 endif()