diff --git a/indexation.cabal b/indexation.cabal
--- a/indexation.cabal
+++ b/indexation.cabal
@@ -1,5 +1,5 @@
 name: indexation
-version: 0.4.2.3
+version: 0.4.3
 category: Data
 synopsis: Tools for entity indexation
 description: A set of tools for indexing entities
@@ -20,6 +20,7 @@
   exposed-modules:
     Indexation.Data
     Indexation.IO
+    Indexation.Potoki.Produce
     Indexation.Potoki.Transform
   other-modules:
     Indexation.Cereal.Get
diff --git a/library/Indexation/Potoki/Produce.hs b/library/Indexation/Potoki/Produce.hs
new file mode 100644
--- /dev/null
+++ b/library/Indexation/Potoki/Produce.hs
@@ -0,0 +1,11 @@
+module Indexation.Potoki.Produce
+(
+  entities,
+) where
+
+import Indexation.Prelude
+import Indexation.Types
+import qualified Potoki.Produce as Produce
+
+entities :: EntityTable a -> Produce a
+entities (EntityTable vector) = Produce.vector vector