1 files changed, 1 insertions, 0 deletions

diff --git a/src/Codec/Wavefront/Lexer.hs b/src/Codec/Wavefront/Lexer.hs
index 79b167a..efb4b97 100644
--- a/src/Codec/Wavefront/Lexer.hs
+++ b/src/Codec/Wavefront/Lexer.hs
@@ -9,6 +9,7 @@
 --
 -----------------------------------------------------------------------------
 
+{-# LANGUAGE OverloadedStrings #-}
 module Codec.Wavefront.Lexer where
 
 import Codec.Wavefront.Element