diff --git a/Cabal/src/Distribution/Simple/Glob.hs b/Cabal/src/Distribution/Simple/Glob.hs
index 87d80bebadb..2586ddd68e0 100644
--- a/Cabal/src/Distribution/Simple/Glob.hs
+++ b/Cabal/src/Distribution/Simple/Glob.hs
@@ -339,6 +339,6 @@ splitConstantPrefix = unfoldr' step
     step (GlobFinal pat) = Left pat
 
 
-isRecursiveInRoot :: Glob  ->Bool
+isRecursiveInRoot :: Glob -> Bool
 isRecursiveInRoot (GlobFinal (FinalMatch Recursive _ _))  = True
 isRecursiveInRoot _ = False