diff --git a/hsx.cabal b/hsx.cabal
--- a/hsx.cabal
+++ b/hsx.cabal
@@ -1,5 +1,5 @@
 Name:                   hsx
-Version:                0.10.1
+Version:                0.10.2
 License:                BSD3
 License-File:           LICENSE
 Author:                 Niklas Broberg, Joel Bjornson
@@ -41,7 +41,7 @@
 Flag base4
 
 Library
-  Build-depends:	mtl, haskell-src-exts >= 1.11, utf8-string
+  Build-depends:	mtl, haskell-src-exts >= 1.13, utf8-string
   if flag(base4)
     Build-depends:      base >= 4 && < 5
     cpp-options:        -DBASE4
diff --git a/src/Trhsx.hs b/src/Trhsx.hs
--- a/src/Trhsx.hs
+++ b/src/Trhsx.hs
@@ -64,8 +64,8 @@
                  transform $ checkParse $ parse fp fc
 
 parse :: String -> String -> ParseResult Module
-parse fn fc = parseFileContentsWithMode (ParseMode fn allExtensions False True Nothing) fc
---  where fcuc= unlines $ filter (not . isPrefixOf "#") $ lines fc
+parse fn fc = parseModuleWithMode (ParseMode fn allExtensions False True (Just baseFixities)) fcuc
+  where fcuc= unlines $ filter (not . isPrefixOf "#") $ lines fc
 
 usageString :: String
 usageString = "Usage: trhsx <infile> [<outfile>]"