diff --git a/shelly.cabal b/shelly.cabal
--- a/shelly.cabal
+++ b/shelly.cabal
@@ -1,6 +1,6 @@
 Name:       shelly
 
-Version:     1.3.0.1
+Version:     1.3.0.2
 Synopsis:    shell-like (systems) programming in Haskell
 
 Description: Shelly provides convenient systems programming in Haskell,
diff --git a/src/Shelly.hs b/src/Shelly.hs
--- a/src/Shelly.hs
+++ b/src/Shelly.hs
@@ -96,7 +96,7 @@
 import Data.Typeable
 import Data.IORef
 import Data.Sequence (Seq, (|>))
-import Data.Foldable (foldl')
+import Data.Foldable (toList)
 import Data.Maybe
 import System.IO ( hClose, stderr, stdout, openTempFile )
 import System.IO.Error (isPermissionError, catchIOError, isEOFError, isIllegalOperation)
@@ -249,7 +249,7 @@
     return . lineSeqToText
 
 lineSeqToText :: Seq Text -> Text
-lineSeqToText = T.intercalate "\n" . foldl' (flip (:)) []
+lineSeqToText = T.intercalate "\n" . toList
 
 type FoldCallback a = (a -> Text -> a)