diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4591324..39185e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,7 +63,7 @@ endif()
 find_package(Threads)
 if (${IS_GNU} OR ${IS_CLANG})
     set(THREADS_PREFER_PTHREAD_FLAG TRUE)
-    if (Threads_FOUND AND NOT MINGW)
+    if (Threads_FOUND AND NOT (MINGW AND ${IS_CLANG}))
         include(FindOpenMP)
         if (OpenMP_CXX_FOUND)
             set(CMAKE_CXX_FLAGS "${OpenMP_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")