diff --git a/propellor.cabal b/propellor.cabal
index 67a418e..350215f 100644
--- a/propellor.cabal
+++ b/propellor.cabal
@@ -47,7 +47,7 @@ Executable wrapper
 
 Executable config
   Main-Is: config.hs
-  GHC-Options: -Wall -threaded -0O
+  GHC-Options: -Wall -threaded -O0
   Hs-Source-Dirs:  src
   Build-Depends: MissingH, directory, filepath, base >= 4.5, base < 5, 
    IfElse, process, bytestring, hslogger, unix-compat, ansi-terminal,