diff --git a/src/Propellor/Message.hs b/src/Propellor/Message.hs
index afbed1c..4721449 100644
--- a/src/Propellor/Message.hs
+++ b/src/Propellor/Message.hs
@@ -59,6 +59,7 @@ colorLine intensity color msg = do
 errorMessage :: String -> IO a
 errorMessage s = do
 	liftIO $ colorLine Vivid Red $ "** error: " ++ s
+	hFlush stdout
 	error "Cannot continue!"
 
 -- | Causes a debug message to be displayed when PROPELLOR_DEBUG=1