diff --git a/setup.py b/setup.py
index e5c879761455a4b35ff53713a5537b69df37a743..13a34e4d614b0646f5e8a3c971a88fa874608223 100644
--- a/setup.py
+++ b/setup.py
@@ -68,7 +68,7 @@ setup(
           #"bob/learn/misc/cpp/GMMTrainer.cpp",
           #"bob/learn/misc/cpp/IVectorTrainer.cpp",
           #"bob/learn/misc/cpp/JFATrainer.cpp",
-          #"bob/learn/misc/cpp/KMeansTrainer.cpp",
+          "bob/learn/misc/cpp/KMeansTrainer.cpp",
           #"bob/learn/misc/cpp/MAP_GMMTrainer.cpp",
           #"bob/learn/misc/cpp/ML_GMMTrainer.cpp",
           #"bob/learn/misc/cpp/PLDATrainer.cpp",