diff --git a/src/Propellor/CmdLine.hs b/src/Propellor/CmdLine.hs
index 1aae33f..2d4ae40 100644
--- a/src/Propellor/CmdLine.hs
+++ b/src/Propellor/CmdLine.hs
@@ -347,13 +347,13 @@ getRepoUrl = getM get urls
 checkDebugMode :: IO ()
 checkDebugMode = go =<< getEnv "PROPELLOR_DEBUG"
   where
-	go _ = do
+	go (Just "1") = do
 		f <- setFormatter
 			<$> streamHandler stderr DEBUG
 			<*> pure (simpleLogFormatter "[$time] $msg")
 		updateGlobalLogger rootLoggerName $ 
 			setLevel DEBUG .  setHandlers [f]
-	-- go _ = noop
+	go _ = noop
 
 -- Parameters can be passed to both ssh and scp, to enable a ssh connection
 -- caching socket.