diff --git a/setup.py b/setup.py
index dc120134..4af1f80f 100755
--- a/setup.py
+++ b/setup.py
@@ -32,6 +32,7 @@ setup(
        install_requires   = install_requires,
        license            = license,
        long_description   = long_description,
+       long_description_content_type = "text/x-rst",
        name               = modname,
        packages           = find_packages(),
        py_modules         = py_modules,