1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index 7e78b4c..149b282 100755..100644
--- a/setup.py
+++ b/setup.py
@@ -53,6 +53,7 @@ msgpack_mod = Extension('msgpack._msgpack',
                         sources=sources,
                         libraries=libraries,
                         include_dirs=['.'],
+                        language='c++',
                         )
 del sources, libraries