diff --git a/lib/ansible/plugins/filter/mathstuff.py b/lib/ansible/plugins/filter/mathstuff.py
index 9bbc689199..e11542927e 100644
--- a/lib/ansible/plugins/filter/mathstuff.py
+++ b/lib/ansible/plugins/filter/mathstuff.py
@@ -147,6 +147,7 @@ class FilterModule(object):
             'union': union,
 
             # combinatorial
+            'product': itertools.product,
             'permutations': itertools.permutations,
             'combinations': itertools.combinations,