diff --git a/shared/static/scripts/sx-browser.js b/shared/static/scripts/sx-browser.js
index 1e9e71d..e911b7b 100644
--- a/shared/static/scripts/sx-browser.js
+++ b/shared/static/scripts/sx-browser.js
@@ -701,7 +701,7 @@
   var evalCall = function(head, args, env) { return (function() {
   var f = trampoline(evalExpr(head, env));
   var evaluatedArgs = map(function(a) { return trampoline(evalExpr(a, env)); }, args);
-  return (isSxTruthy((isSxTruthy(isCallable(f)) && isSxTruthy(!isSxTruthy(isLambda(f))) && !isSxTruthy(isComponent(f)))) ? apply(f, evaluatedArgs) : (isSxTruthy(isLambda(f)) ? callLambda(f, evaluatedArgs, env) : (isSxTruthy(isComponent(f)) ? callComponent(f, args, env) : error((String("Not callable: ") + String(inspect(f)))))));
+  return (isSxTruthy((isSxTruthy(isCallable(f)) && isSxTruthy(!isSxTruthy(isLambda(f))) && !isSxTruthy(isComponent(f)))) ? apply(f, evaluatedArgs) : (isSxTruthy(isLambda(f)) ? callLambda(f, evaluatedArgs, env) : (isSxTruthy(isComponent(f)) ? callComponent(f, args, env) : (console.error("[sx-ref] Not callable:", inspect(f), "head:", inspect(head), "args:", inspect(args)), error((String("Not callable: ") + String(inspect(f))))))));
 })(); };
 
   // call-lambda