diff --git a/CMakeLists.txt b/CMakeLists.txt
index 625c2ae6c..1a1c79707 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,12 +36,21 @@ find_package(Libusb1)
 find_package(JPEG)
 find_package(realsense2 CONFIG)
 find_package(SDL2 CONFIG)
-find_package(Threads)
 find_package(ZLIB)
 find_package(cJSON)
 find_package(Systemd)
 find_package(OpenGLES COMPONENTS V3)
 
+add_library(xrt-pthreads INTERFACE)
+if(WIN32)
+	find_package(pthreads_windows REQUIRED)
+	target_link_libraries(xrt-pthreads INTERFACE PThreads4W::PThreads4W_CXXEXC)
+else()
+	set(CMAKE_THREAD_PREFER_PTHREAD ON)
+	find_package(Threads)
+	target_link_libraries(xrt-pthreads INTERFACE Threads::Threads)
+endif()
+
 if(NOT ANDROID)
 	# @TODO Turn into a find_package LIBUVC file.
 	pkg_check_modules(LIBUVC libuvc)
diff --git a/src/xrt/auxiliary/CMakeLists.txt b/src/xrt/auxiliary/CMakeLists.txt
index e99449f87..2c03a397f 100644
--- a/src/xrt/auxiliary/CMakeLists.txt
+++ b/src/xrt/auxiliary/CMakeLists.txt
@@ -156,7 +156,7 @@ endif()
 
 # OS library.
 add_library(aux_os STATIC ${OS_SOURCE_FILES})
-target_link_libraries(aux_os PUBLIC aux-includes PRIVATE Threads::Threads)
+target_link_libraries(aux_os PUBLIC aux-includes xrt-pthreads)
 if(XRT_HAVE_DBUS)
 	target_link_libraries(aux_os PRIVATE ${DBUS_LIBRARIES})
 	target_include_directories(aux_os SYSTEM