diff --git a/compiler/ccgexprs.nim b/compiler/ccgexprs.nim
index 6d69dafa55..388b6d047f 100644
--- a/compiler/ccgexprs.nim
+++ b/compiler/ccgexprs.nim
@@ -1155,7 +1155,7 @@ proc genObjConstr(p: BProc, e: PNode, d: var TLoc) =
     let field = lookupFieldAgain(p, ty, it.sons[0].sym, tmp2.r)
     if field.loc.r == nil: internalError(e.info, "genObjConstr")
     if it.len == 3 and optFieldCheck in p.options:
-      genFieldCheck(p, it.sons[2], tmp2.r, field, ty)
+      genFieldCheck(p, it.sons[2], r, field, ty)
     add(tmp2.r, ".")
     add(tmp2.r, field.loc.r)
     tmp2.k = locTemp
diff --git a/lib/pure/httpclient.nim b/lib/pure/httpclient.nim
index a5d4ec1a10..8e182e2745 100644
--- a/lib/pure/httpclient.nim
+++ b/lib/pure/httpclient.nim
@@ -166,12 +166,12 @@ proc parseChunks(s: Socket, timeout: int): string =
 
 proc parseBody(s: Socket, headers: StringTableRef, timeout: int): string =
   result = ""
-  if headers["Transfer-Encoding"] == "chunked":
+  if headers.getOrDefault"Transfer-Encoding" == "chunked":
     result = parseChunks(s, timeout)
   else:
     # -REGION- Content-Length
     # (http://tools.ietf.org/html/rfc2616#section-4.4) NR.3
-    var contentLengthHeader = headers["Content-Length"]
+    var contentLengthHeader = headers.getOrDefault"Content-Length"
     if contentLengthHeader != "":
       var length = contentLengthHeader.parseint()
       if length > 0:
@@ -190,7 +190,7 @@ proc parseBody(s: Socket, headers: StringTableRef, timeout: int): string =
 
       # -REGION- Connection: Close
       # (http://tools.ietf.org/html/rfc2616#section-4.4) NR.5
-      if headers["Connection"] == "close":
+      if headers.getOrDefault"Connection" == "close":
         var buf = ""
         while true:
           buf = newString(4000)
@@ -456,7 +456,7 @@ proc redirection(status: string): bool =
       return true
 
 proc getNewLocation(lastUrl: string, headers: StringTableRef): string =
-  result = headers["Location"]
+  result = headers.getOrDefault"Location"
   if result == "": httpError("location header expected")
   # Relative URLs. (Not part of the spec, but soon will be.)
   let r = parseUri(result)
@@ -679,12 +679,12 @@ proc parseChunks(client: AsyncHttpClient): Future[string] {.async.} =
 proc parseBody(client: AsyncHttpClient,
                headers: StringTableRef): Future[string] {.async.} =
   result = ""
-  if headers["Transfer-Encoding"] == "chunked":
+  if headers.getOrDefault"Transfer-Encoding" == "chunked":
     result = await parseChunks(client)
   else:
     # -REGION- Content-Length
     # (http://tools.ietf.org/html/rfc2616#section-4.4) NR.3
-    var contentLengthHeader = headers["Content-Length"]
+    var contentLengthHeader = headers.getOrDefault"Content-Length"
     if contentLengthHeader != "":
       var length = contentLengthHeader.parseint()
       if length > 0:
@@ -699,7 +699,7 @@ proc parseBody(client: AsyncHttpClient,
 
       # -REGION- Connection: Close
       # (http://tools.ietf.org/html/rfc2616#section-4.4) NR.5
-      if headers["Connection"] == "close":
+      if headers.getOrDefault"Connection" == "close":
         var buf = ""
         while true:
           buf = await client.socket.recvFull(4000)
diff --git a/tests/objects/tobjconstr2.nim b/tests/objects/tobjconstr2.nim
index 39683ddc5c..f6805190bb 100644
--- a/tests/objects/tobjconstr2.nim
+++ b/tests/objects/tobjconstr2.nim
@@ -24,7 +24,7 @@ var b = Bar(x: 100, y: 200) # used to fail
 # bug 1275
 
 type
-  Graphic = object of TObject
+  Graphic = object of RootObj
     case kind: range[0..1]
     of 0:
       radius: float