diff --git a/doc/bugs/Build_failure_at_commit_1efe4f3.mdwn b/doc/bugs/Build_failure_at_commit_1efe4f3.mdwn
new file mode 100644
index 0000000000..a82d6d0456
--- /dev/null
+++ b/doc/bugs/Build_failure_at_commit_1efe4f3.mdwn
@@ -0,0 +1,44 @@
+Applying this
+
+<pre>
+laplace:git-annex jtang$ git diff
+diff --git a/Assistant/WebApp/Configurators.hs b/Assistant/WebApp/Configurators.hs
+index b9630b1..bf36e59 100644
+--- a/Assistant/WebApp/Configurators.hs
++++ b/Assistant/WebApp/Configurators.hs
+@@ -101,7 +101,7 @@ checkRepositoryPath p = do
+  -
+  - If run in another directory, the user probably wants to put it there. -}
+ defaultRepositoryPath :: Bool -> IO FilePath
+-defaultRepositoryPath firstrun = do
++defaultRepositoryPath firstRun = do
+        cwd <- liftIO $ getCurrentDirectory
+        home <- myHomeDir
+        if home == cwd && firstRun
+</pre>
+
+Causes this to occur,
+
+<pre>
+Assistant/WebApp/Configurators.hs:114:17:
+    Couldn't match expected type `Control.Monad.Trans.RWS.Lazy.RWST
+                                    (Maybe (Env, FileEnv), WebApp, [Yesod.Form.Types.Lang])
+                                    Enctype
+                                    Ints
+                                    (GHandler WebApp WebApp)
+                                    t0'
+                with actual type `Text'
+    Expected type: String
+                   -> Control.Monad.Trans.RWS.Lazy.RWST
+                        (Maybe (Env, FileEnv), WebApp, [Yesod.Form.Types.Lang])
+                        Enctype
+                        Ints
+                        (GHandler WebApp WebApp)
+                        t0
+      Actual type: String -> Text
+    In the first argument of `(.)', namely `T.pack'
+    In the first argument of `(<$>)', namely
+      `T.pack . addTrailingPathSeparator'
+make: *** [git-annex] Error 1
+</pre>
+