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-rw-r--r--src/Propellor/Message.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Propellor/Message.hs b/src/Propellor/Message.hs
index e964c664..576e58ee 100644
--- a/src/Propellor/Message.hs
+++ b/src/Propellor/Message.hs
@@ -41,7 +41,7 @@ data MessageHandle = MessageHandle
globalMessageHandle :: MVar MessageHandle
globalMessageHandle = unsafePerformIO $
newMVar =<< MessageHandle
- <$> hIsTerminalDevice stdout
+ <$> catchDefaultIO False (hIsTerminalDevice stdout)
-- | Gets the global MessageHandle.
getMessageHandle :: IO MessageHandle