diff --git a/lib/system/iterators.nim b/lib/system/iterators.nim
index 21ac355250..d4485ad3e9 100644
--- a/lib/system/iterators.nim
+++ b/lib/system/iterators.nim
@@ -3,7 +3,7 @@
 when defined(nimPreviewSlimSystem):
   import std/assertions
 
-when not defined(nimNoLentIterators):
+when (not defined(nimNoLentIterators)) and not defined(js) and not defined(nimscript):
   template lent2(T): untyped = lent T
 else:
   template lent2(T): untyped = T