diff --git a/changelogs/changelog_2_0_0_details.md b/changelogs/changelog_2_0_0_details.md
index a38f2b40b7..950fa40695 100644
--- a/changelogs/changelog_2_0_0_details.md
+++ b/changelogs/changelog_2_0_0_details.md
@@ -205,7 +205,7 @@
   proc prc(): int =
     123
 
-  iterator iter(): int =
+  iterator iter(): int {.closure.} =
     yield 123
 
   proc takesProc[T: proc](x: T) = discard