diff --git a/compiler/transf.nim b/compiler/transf.nim
index ce42b684cd..092b11c28a 100644
--- a/compiler/transf.nim
+++ b/compiler/transf.nim
@@ -1319,7 +1319,7 @@ proc transformBody*(g: ModuleGraph; idgen: IdGenerator; prc: PSym; flags: Transf
     liftDefer(c, result)
     result = liftLocalsIfRequested(prc, result, g.cache, g.config, c.idgen)
 
-    if prc.isIterator:
+    if prc.isIterator and prc.closureBody == nil:
       if sfInjectDestructors in prc.flags:
         result = injectDestructorCalls(c.graph, c.idgen, prc, result)
       result = g.transformClosureIterator(c.idgen, prc, result)