diff --git a/lib/assign.nim b/lib/assign.nim
index c8592b970..5ac475ef0 100644
--- a/lib/assign.nim
+++ b/lib/assign.nim
@@ -55,7 +55,8 @@ proc genericAssign(dest, src: Pointer, mt: PNimType) =
     var dstseq = cast[PGenericSeq](dst)

     dstseq.len = seq.len

     dstseq.space = seq.len

-  of tyRecord, tyObject, tyTuple:

+  of tyObject, tyTuple, tyPureObject: 

+    # we don't need to copy m_type field for tyObject, as they are equal anyway

     genericAssignAux(dest, src, mt.node)

   of tyArray, tyArrayConstr:

     for i in 0..(mt.size div mt.base.size)-1:

@@ -75,6 +76,7 @@ proc genericAssign(dest, src: Pointer, mt: PNimType) =
     copyMem(dest, src, mt.size) # copy raw bits

 

 proc genericSeqAssign(dest, src: Pointer, mt: PNimType) {.compilerProc.} =

+  var src = src # ugly, but I like to stress the parser sometimes :-)

   genericAssign(dest, addr(src), mt)

 

 proc genericAssignOpenArray(dest, src: pointer, len: int,

@@ -110,7 +112,7 @@ proc objectInit(dest: Pointer, typ: PNimType) =
     var pint = cast[ptr PNimType](dest)

     pint^ = typ

     objectInitAux(dest, typ.node)

-  of tyRecord:

+  of tyTuple, tyPureObject:

     objectInitAux(dest, typ.node)

   of tyArray, tyArrayConstr:

     for i in 0..(typ.size div typ.base.size)-1: