diff --git a/lib/apply-mixer-params.js b/lib/apply-mixer-params.js
index 5d471cee..a19ae7cc 100644
--- a/lib/apply-mixer-params.js
+++ b/lib/apply-mixer-params.js
@@ -32,7 +32,7 @@ function ParamLookup (rootParams, params, paramValues) {
 
   function refresh () {
     var result = extend(rootParams())
-    var rawResult = extend(rootParams())
+    var rawResult = extend(rootParams._raw)
     for (var i = 0; i < params.length; i++) {
       var key = params[i]
       result[key] = paramValues() && paramValues()[key] || 0