diff --git a/src/Flower/Main.hs b/src/Flower/Main.hs
index b0cbd1c..3428db5 100644
--- a/src/Flower/Main.hs
+++ b/src/Flower/Main.hs
@@ -1 +1,2 @@
+{-# LANGUAGE FlexibleContexts #-}
 -- FlowEr - FLOWgram ExtractoR
