diff --git a/gibbon-compiler/src/Gibbon/Passes/AddRAN.hs b/gibbon-compiler/src/Gibbon/Passes/AddRAN.hs
index 522590cd3..6340436dd 100644
--- a/gibbon-compiler/src/Gibbon/Passes/AddRAN.hs
+++ b/gibbon-compiler/src/Gibbon/Passes/AddRAN.hs
@@ -582,5 +582,7 @@ genRelOffsetsFunNameFn needRANsTyCons ddfs DDef{tyName, dataCons} = do
                   , funMeta = FunMeta { funRec = Rec
                                       , funInline = NoInline
                                       , funCanTriggerGC = False
+                                      , funOptLayout=NoLayoutOpt
+                                      , userConstraintsDataCon=Nothing
                                       }
                   }