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diff --git a/src/Control/PatternArrows.hs b/src/Control/PatternArrows.hs
index d382c19..0b067dd 100644
--- a/src/Control/PatternArrows.hs
+++ b/src/Control/PatternArrows.hs
@@ -23,6 +23,7 @@ import qualified Control.Category as C
import Control.Category ((>>>))
import qualified Control.Arrow as A
import Control.Arrow ((***), (<+>))
+import Data.Function (fix)
-- |
-- A first-order pattern match
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