diff --git a/src/Data/Text/Internal/Builder/Int/Digits.hs b/src/Data/Text/Internal/Builder/Int/Digits.hs
index e1b3e498..7c698c0a 100644
--- a/src/Data/Text/Internal/Builder/Int/Digits.hs
+++ b/src/Data/Text/Internal/Builder/Int/Digits.hs
@@ -1,5 +1,3 @@
-{-# LANGUAGE OverloadedStrings #-}
-
 -- Module:      Data.Text.Internal.Builder.Int.Digits
 -- Copyright:   (c) 2013 Bryan O'Sullivan
 -- License:     BSD-style
@@ -16,11 +14,12 @@
 
 module Data.Text.Internal.Builder.Int.Digits (digits) where
 
-import Data.ByteString.Char8 (ByteString)
+import Data.ByteString.Char8 (ByteString, pack)
 
 digits :: ByteString
-digits = "0001020304050607080910111213141516171819\
-         \2021222324252627282930313233343536373839\
-         \4041424344454647484950515253545556575859\
-         \6061626364656667686970717273747576777879\
-         \8081828384858687888990919293949596979899"
+digits = pack
+  "0001020304050607080910111213141516171819\
+  \2021222324252627282930313233343536373839\
+  \4041424344454647484950515253545556575859\
+  \6061626364656667686970717273747576777879\
+  \8081828384858687888990919293949596979899"