diff --git a/TraceUtils.cabal b/TraceUtils.cabal
--- a/TraceUtils.cabal
+++ b/TraceUtils.cabal
@@ -3,7 +3,7 @@
 -- http://www.haskell.org/cabal/release/cabal-latest/doc/users-guide/authors.html#pkg-descr.
 -- The name of the package.
 Name:                TraceUtils
-Version:             0.1
+Version:             0.1.0.1
 Synopsis:            Functions that should have been in Debug.Trace
 Description:         Functions that should have been in Debug.Trace
 Homepage:            https://github.com/Peaker/TraceUtils
diff --git a/src/Debug/TraceUtils.hs b/src/Debug/TraceUtils.hs
--- a/src/Debug/TraceUtils.hs
+++ b/src/Debug/TraceUtils.hs
@@ -28,7 +28,7 @@
               (a -> b) -- ^ Function to preprocess the value before showing it
            -> String   -- ^ Prefix string to use before showing the result value
            -> a -> a
-traceIdVia via prefix x = trace (prefix ++ show (via x)) x
+traceIdVia via prefix x = trace (prefix ++ ": " ++ show (via x)) x
 
 -- | Generate an identity function that has the side-effect of showing
 -- the value that passes through it.
