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-rw-r--r--XMonad.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/XMonad.hs b/XMonad.hs
index 1ce1aa7..fc06885 100644
--- a/XMonad.hs
+++ b/XMonad.hs
@@ -204,7 +204,7 @@ instance ReadableLayout a => LayoutClass Layout a where
instance Show (Layout a) where show (Layout l) = show l
-- | This calls doLayout if there are any windows to be laid out.
-runLayout :: LayoutClass l a => l a -> Rectangle -> StackOrNot a -> X ([(a, Rectangle)], Maybe (l a))
+runLayout :: LayoutClass l a => l a -> Rectangle -> Maybe (Stack a) -> X ([(a, Rectangle)], Maybe (l a))
runLayout l r = maybe (return ([], Nothing)) (doLayout l r)
-- | Based on ideas in /An Extensible Dynamically-Typed Hierarchy of Exceptions/,