diff --git a/reanimate.cabal b/reanimate.cabal
--- a/reanimate.cabal
+++ b/reanimate.cabal
@@ -3,7 +3,7 @@
 --  see http://haskell.org/cabal/users-guide/
 
 name:                reanimate
-version:             1.1.2.0
+version:             1.1.2.1
 -- synopsis:
 -- description:
 license:             PublicDomain
diff --git a/src/Reanimate/LaTeX.hs b/src/Reanimate/LaTeX.hs
--- a/src/Reanimate/LaTeX.hs
+++ b/src/Reanimate/LaTeX.hs
@@ -69,7 +69,7 @@
 -- | Render TeX script using a given configuration.
 latexCfg :: TexConfig -> T.Text -> SVG
 latexCfg (TexConfig engine headers postscript) =
-  gen headers postscript
+  gen postscript headers
   where
     gen =
       case engine of
@@ -101,9 +101,9 @@
   [T.Text] ->
   T.Text ->
   Tree
-someTexWithHeaders _engine _exec _dvi _args _headers _postscript tex
+someTexWithHeaders _engine _exec _dvi _args _postscript _headers tex
   | pNoExternals = mkText tex
-someTexWithHeaders engine exec dvi args headers postscript tex =
+someTexWithHeaders engine exec dvi args postscript headers tex =
   (unsafePerformIO . (cacheMem . cacheDiskSvg) (latexToSVG engine dvi exec args))
     script
   where