diff --git a/frontends/OccamPasses.hs b/frontends/OccamPasses.hs
index 6146fd5..4f2f826 100644
--- a/frontends/OccamPasses.hs
+++ b/frontends/OccamPasses.hs
@@ -41,7 +41,7 @@ occamPasses =
     [ occamOnlyPass "Dummy occam pass" [] (Prop.agg_namesDone ++ [Prop.mainTagged]) return
     , inferTypes
     , foldConstants
-    , fixConstructorTypes
+--    , fixConstructorTypes
     , checkConstants
     , resolveAmbiguities
     , checkTypes