diff --git a/Language/Haskell/GhcImportedFrom.hs b/Language/Haskell/GhcImportedFrom.hs
--- a/Language/Haskell/GhcImportedFrom.hs
+++ b/Language/Haskell/GhcImportedFrom.hs
@@ -129,9 +129,9 @@
     -- GHC API and ghc-pkg have inconsistencies in the naming of options, see <http://www.vex.net/~trebla/haskell/sicp.xhtml> for more details.
     = GhcOptions [String] deriving (Show)
 
-instance Monoid GhcOptions where
-    mempty  = GhcOptions []
-    (GhcOptions g) `mappend` (GhcOptions h) = GhcOptions $ g ++ h
+--instance Monoid GhcOptions where
+--    mempty  = GhcOptions []
+--    (GhcOptions g) `mappend` (GhcOptions h) = GhcOptions $ g ++ h
 
 newtype GhcPkgOptions
     -- | List of user-supplied ghc-pkg options.
@@ -167,13 +167,13 @@
 
 executeFallibly' :: String -> [String] -> IO (Maybe (String, String))
 executeFallibly' cmd args = do
-    x <- (executeFallibly (pipeoe intoLazyBytes intoLazyBytes) (proc cmd args))
+    x <- (executeFallibly (piped (proc cmd args)) ((,) <$> (foldOut intoLazyBytes) <*> (foldErr intoLazyBytes)))
          `catchIOError` -- FIXME Later, propagate the error so we can log it. Top level type should be an Either or something, not a Maybe.
          (\e -> return $ Left $ show e)
 
     return $ case x of
         Left e              -> Nothing
-        Right (_, (a, b))   -> Just $ (b2s a, b2s b)
+        Right (a, b)   -> Just $ (b2s a, b2s b)
 
   where
 
@@ -184,7 +184,7 @@
 getStackSnapshotPkgDb = do
     putStrLn "getStackSnapshotPkgDb ..."
 
-    x <- join <$> (fmap (fmap unwords . fmap words . Safe.headMay . lines) . fmap snd) <$> executeFallibly' "stack" ["path", "--snapshot-pkg-db"]
+    x <- join <$> (fmap (fmap unwords . fmap words . Safe.headMay . lines) . fmap fst) <$> executeFallibly' "stack" ["path", "--snapshot-pkg-db"]
 
     return $ case x of
         Nothing     -> Nothing
@@ -196,7 +196,7 @@
 getStackLocalPkgDb = do
     putStrLn "getStackLocalPkgDb ..."
 
-    x <- join <$> (fmap (fmap unwords . fmap words . Safe.headMay . lines) . fmap snd) <$> executeFallibly' "stack" ["path", "--local-pkg-db"]
+    x <- join <$> (fmap (fmap unwords . fmap words . Safe.headMay . lines) . fmap fst) <$> executeFallibly' "stack" ["path", "--local-pkg-db"]
 
     return $ case x of
         Nothing     -> Nothing
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,8 @@
+2016-04-04 v0.3.0.3
+
+* Bugfix: was parsing stderr instead of stdout for some 'stack path' commands.
+* Build against process-streaming-0.9.1.0 instead of process-streaming-0.7.2.2.
+
 2016-03-30 v0.3.0.2
 
 * Bugfix to the bugfix.
diff --git a/ghc-imported-from.cabal b/ghc-imported-from.cabal
--- a/ghc-imported-from.cabal
+++ b/ghc-imported-from.cabal
@@ -1,5 +1,5 @@
 name:                ghc-imported-from
-version:             0.3.0.2
+version:             0.3.0.3
 synopsis:            Find the Haddock documentation for a symbol.
 description:         Given a Haskell module and symbol, determine the URL to the Haddock documentation
                      for that symbol.
@@ -36,7 +36,7 @@
                  , safe
                  , bytestring
                  , process
-                 , process-streaming < 0.9.0.0
+                 , process-streaming >= 0.9.0.0
                  , directory
                  , containers
                  , mtl
@@ -60,7 +60,7 @@
   hs-source-dirs:   src
   build-depends: base >=4.0 && <5
                , process
-               , process-streaming < 0.9.0.0
+               , process-streaming >= 0.9.0.0
   default-language:  Haskell2010
 
 executable ghc-imported-from
@@ -80,7 +80,7 @@
                , safe
                , bytestring
                , process
-               , process-streaming < 0.9.0.0
+               , process-streaming >= 0.9.0.0
                , directory
                , containers
                , mtl
@@ -118,7 +118,7 @@
                       , safe
                       , bytestring
                       , process
-                      , process-streaming < 0.9.0.0
+                      , process-streaming >= 0.9.0.0
                       , directory
                       , containers
                       , mtl
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -3,7 +3,8 @@
 - '.'
 extra-deps:
 - ghc-7.10.3
-- conceit-0.3.2.0
+- conceit-0.4.0.0
 - pipes-text-0.0.1.0
-- process-streaming-0.7.2.2
+- process-streaming-0.9.1.0
+- pipes-transduce-0.3.4.0
 resolver: lts-5.10