diff --git a/CMakeLists.txt b/CMakeLists.txt
index e4d2a9a0a2..66239595ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -310,6 +310,8 @@ endmacro()
 # Simply to improve readability of the main script.
 #-----------------------------------------------------------------------
 macro (CMAKE_BUILD_UTILITIES)
+  find_package(Threads)
+
   #---------------------------------------------------------------------
   # Create the kwsys library for CMake.
   set(KWSYS_NAMESPACE cmsys)
diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index e7c0732675..a0010a292b 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -765,6 +765,7 @@ target_link_libraries(CMakeLib cmsys
   ${CMAKE_LIBUV_LIBRARIES}
   ${CMAKE_LIBRHASH_LIBRARIES}
   ${CMake_KWIML_LIBRARIES}
+  ${CMAKE_THREAD_LIBS_INIT}
   )
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR MATCHES "sparc")