diff --git a/lambdabot-haskell-plugins.cabal b/lambdabot-haskell-plugins.cabal
--- a/lambdabot-haskell-plugins.cabal
+++ b/lambdabot-haskell-plugins.cabal
@@ -1,5 +1,5 @@
 name:                   lambdabot-haskell-plugins
-version:                5.0
+version:                5.0.1
 
 license:                GPL
 license-file:           LICENSE
@@ -15,18 +15,31 @@
                         Provided plugins:
                         .
                         [check] Quick, check!
+                        .
                         [djinn] Derive implementations from types intuitinistically.
+                        .
                         [eval] Run Haskell code.
+                        .
                         [free] Theorems for free.
+                        .
                         [haddock] Find modules implementing a function.
+                        .
                         [hoogle] Search for functions by type using hoogle.
+                        .
                         [instances] Query instances of type classes.
+                        .
                         [pl] Produce point-less code.
+                        .
                         [pointful] Produce point-ful code.
+                        .
                         [pretty] Print code prettily.
+                        .
                         [source] Show implementations of standard functions.
+                        .
                         [type] Query type of expressions.
+                        .
                         [undo] Unfold do notation.
+                        .
                         [unmtl] Expand monad transformers stacks.
 
 homepage:               http://haskell.org/haskellwiki/Lambdabot
@@ -86,8 +99,8 @@
                         directory               >= 1.1,
                         filepath                >= 1.3,
                         haskell-src-exts        >= 1.16.0,
-                        lambdabot-core          >= 5 && < 5.1,
-                        lambdabot-reference-plugins >= 5 && < 5.1,
+                        lambdabot-core          >= 5.0.1 && < 5.1,
+                        lambdabot-reference-plugins >= 5.0.1 && < 5.1,
                         lifted-base             >= 0.2,
                         mtl                     >= 2,
                         oeis                    >= 0.3.1,
diff --git a/src/Lambdabot/Plugin/Haskell/Eval.hs b/src/Lambdabot/Plugin/Haskell/Eval.hs
--- a/src/Lambdabot/Plugin/Haskell/Eval.hs
+++ b/src/Lambdabot/Plugin/Haskell/Eval.hs
@@ -81,8 +81,8 @@
     case (out,err) of
         ([],[]) -> return "Terminated\n"
         _       -> do
-            let o = munge out
-                e = munge err
+            let o = mungeEnc out
+                e = mungeEnc err
             return $ case () of {_
                 | null o && null e -> "Terminated\n"
                 | null o           -> e
@@ -163,7 +163,7 @@
                     io (removeFile ".L.hs")
                     return "Error."
                 | otherwise -> do
-                    l <- lb (findOrCreateLBFile "L.hs")
+                    l <- lb (findLBFileForWriting "L.hs")
                     io (renameFile ".L.hs" l)
                     return "Defined."
         (ee,[]) -> return ee
@@ -203,6 +203,8 @@
 
 reset :: MonadLB m => m ()
 reset = do
-    l <- lb (findOrCreateLBFile "L.hs")
+    -- Note: We use `findOrCreateLBFile` instead of `findLBFileForReading`
+    -- here to make @Pristine.hs@ easier to find.
     p <- lb (findOrCreateLBFile "Pristine.hs")
+    l <- lb (findLBFileForWriting "L.hs")
     io (copyFile p l)
diff --git a/src/Lambdabot/Plugin/Haskell/Instances.hs b/src/Lambdabot/Plugin/Haskell/Instances.hs
--- a/src/Lambdabot/Plugin/Haskell/Instances.hs
+++ b/src/Lambdabot/Plugin/Haskell/Instances.hs
@@ -134,9 +134,9 @@
 --   the parser.
 fetchInstances' :: MonadLB m => String -> [ModuleName] -> m String
 fetchInstances' cls mdls = do
-    stateDir <- getConfig outputDir
+    load <- lb $ findOrCreateLBFile "L.hs"
     let s = unlines $ map unwords
-            [ [":l", show (stateDir </> "L")]
+            [ [":l", load]
             ,  ":m" : "+" : mdls
             , [":i", cls]
             ]