diff --git a/src/Turtle/Options/Timecode.hs b/src/Turtle/Options/Timecode.hs
--- a/src/Turtle/Options/Timecode.hs
+++ b/src/Turtle/Options/Timecode.hs
@@ -46,7 +46,7 @@
 instance Show Timecode where
   show (Timecode h m s ms) = (show h) ++ ":" ++ (show m) ++ ":" ++ (show s) ++ "." ++ (show ms)
 
-instance Show NegativeTimecode where
+instance Show RelTimecode where
   show (PosTimecode t) = show t
   show (NegTimecode t) = "-" ++ (show t)
 
diff --git a/turtle-options.cabal b/turtle-options.cabal
--- a/turtle-options.cabal
+++ b/turtle-options.cabal
@@ -1,5 +1,5 @@
 name:                turtle-options
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Collection of command line options and parsers for these options
 description:         Please see README.md
 homepage:            http://github.com/githubuser/turtle-options#readme