diff --git a/hosts/javascript/platform.py b/hosts/javascript/platform.py
index a8566fe1..eab46883 100644
--- a/hosts/javascript/platform.py
+++ b/hosts/javascript/platform.py
@@ -1037,7 +1037,7 @@ PRIMITIVES_JS_MODULES: dict[str, str] = {
   PRIMITIVES["len"] = function(c) { return Array.isArray(c) ? c.length : typeof c === "string" ? c.length : Object.keys(c).length; };
   PRIMITIVES["first"] = function(c) { return c && c.length > 0 ? c[0] : NIL; };
   PRIMITIVES["last"] = function(c) { return c && c.length > 0 ? c[c.length - 1] : NIL; };
-  PRIMITIVES["rest"] = function(c) { if (c && typeof c.slice !== "function") { console.error("[sx-debug] rest called on non-sliceable:", typeof c, c, new Error().stack); return []; } return c ? c.slice(1) : []; };
+  PRIMITIVES["rest"] = function(c) { if (!c || c._nil) return []; if (typeof c.slice !== "function") return []; return c.slice(1); };
   PRIMITIVES["nth"] = function(c, n) { return c && n >= 0 && n < c.length ? c[n] : NIL; };
   PRIMITIVES["cons"] = function(x, c) { return [x].concat(c || []); };
   PRIMITIVES["append"] = function(c, x) { return (c || []).concat(Array.isArray(x) ? x : [x]); };