diff --git a/MANIFEST.in b/MANIFEST.in
index 7db742df6a0acb566cf997c03eb38311024c5c08..7559cefb81ebb7e34a2d2d245b2797526e807c42 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,7 +4,8 @@ include pyopencl/cl/*.cl
 include src/c_wrapper/*.hpp
 include src/c_wrapper/*.h
 include src/c_wrapper/*.cpp
-include src/c_wrapper/mingw-std-wrappers/mingw.*.h
+include src/c_wrapper/mingw-std-threads/mingw.*.h
+include src/c_wrapper/mingw-std-threads/README.md
 include *.h
 include test/*.py
 include test/*.h