diff --git a/pyFTS/partitioners/KMeans.py b/pyFTS/partitioners/KMeans.py
index 1017ba3..e97dd26 100644
--- a/pyFTS/partitioners/KMeans.py
+++ b/pyFTS/partitioners/KMeans.py
@@ -87,9 +87,9 @@ class KMeansPartitioner(partitioner.Partitioner):
         kwargs = {'type': self.type, 'variable': self.variable}
 
         centroides = k_means(self.partitions, data, 1)
-        centroides = [v[0] for v in centroides]
         centroides.append(self.max)
         centroides.append(self.min)
+        centroides = list(set(centroides))
         centroides.sort()
         for c in range(1, len(centroides) - 1):
             _name = self.get_name(c)