From df6fbf6521d0dcbd0e77211d665282a395db0482 Mon Sep 17 00:00:00 2001
From: narimiran <narimiran@disroot.org>
Date: Tue, 21 Apr 2020 08:27:14 +0200
Subject: [PATCH] correctly backport #13896

---
 lib/pure/asyncmacro.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pure/asyncmacro.nim b/lib/pure/asyncmacro.nim
index 11eba427bd..b489e8cb57 100644
--- a/lib/pure/asyncmacro.nim
+++ b/lib/pure/asyncmacro.nim
@@ -46,7 +46,7 @@ template createCb(retFutureSym, iteratorNameSym,
         else:
           {.gcsafe.}:
             {.push hint[ConvFromXtoItselfNotNeeded]: off.}
-            next.callback = (proc() {.closure, gcsafe.})(identName)
+            next.addCallback cast[proc() {.closure, gcsafe.}](identName)
             {.pop.}
     except:
       futureVarCompletions