diff --git a/Bio/PDB/Structure/Elements.hs b/Bio/PDB/Structure/Elements.hs
--- a/Bio/PDB/Structure/Elements.hs
+++ b/Bio/PDB/Structure/Elements.hs
@@ -26,7 +26,7 @@
 -- TODO: May be better as a newtype, and make sure that other modules use this declaration
 
 -- | Internal method that reports error to stderr, and return given default value.
-defaultingLookup :: BS.ByteString -> v -> HashMap Element v -> Element -> v
+defaultingLookup :: BS.ByteString -> v -> HashMap String v -> Element -> v
 defaultingLookup msg defaultValue dict e =
       fromMaybe withWarning
     $ M.lookup (BS.unpack e) dict
diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,5 +1,5 @@
 -*-Changelog-*-
-1.2.0.7  Jun 2016
+1.2.0.8  Jun 2016
 	* Use hashmap for element properties.
 	  Great thanks to Ben Gamari:
 	  https://ghc.haskell.org/trac/ghc/ticket/917
diff --git a/hPDB.cabal b/hPDB.cabal
--- a/hPDB.cabal
+++ b/hPDB.cabal
@@ -1,5 +1,5 @@
 name:                hPDB
-version:             1.2.0.7
+version:             1.2.0.8
 synopsis:            Protein Databank file format library
 homepage:            https://github.com/BioHaskell/hPDB
 stability:           stable
