diff --git a/transformers-compat.cabal b/transformers-compat.cabal
--- a/transformers-compat.cabal
+++ b/transformers-compat.cabal
@@ -1,6 +1,6 @@
 name:          transformers-compat
 category:      Compatibility
-version:       0.5.0.3
+version:       0.5.0.4
 license:       BSD3
 cabal-version: >= 1.8
 license-file:  LICENSE
@@ -44,7 +44,7 @@
   manual: True
 
 flag three
-  default: True
+  default: False
   manual: True
   description: Use transformers 0.3. This will be selected by cabal picking the appropriate version.