diff --git a/postgresql-simple-sop.cabal b/postgresql-simple-sop.cabal
--- a/postgresql-simple-sop.cabal
+++ b/postgresql-simple-sop.cabal
@@ -1,5 +1,5 @@
 name:                postgresql-simple-sop
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Generic functions for postgresql-simple
 homepage:            https://github.com/openbrainsrc/postgresql-simple-sop
 license:             MIT
diff --git a/src/Database/PostgreSQL/Simple/SOP.hs b/src/Database/PostgreSQL/Simple/SOP.hs
--- a/src/Database/PostgreSQL/Simple/SOP.hs
+++ b/src/Database/PostgreSQL/Simple/SOP.hs
@@ -24,7 +24,7 @@
 
 -}
 
-module Database.PostgreSQL.Simple.SOP (gfromRow, gtoRow, gselectFrom, ginsertInto) where
+module Database.PostgreSQL.Simple.SOP (gfromRow, gtoRow, gselectFrom, ginsertInto, HasFieldNames) where
 
 import Generics.SOP
 import Control.Applicative