diff --git a/src/howler.core.js b/src/howler.core.js
index dea21691..3c2c4bb1 100644
--- a/src/howler.core.js
+++ b/src/howler.core.js
@@ -1910,10 +1910,10 @@
     _cleanBuffer: function(node) {
       var self = this;
 
-      if (self._scratchBuffer) {
+      if (Howler._scratchBuffer) {
         node.bufferSource.onended = null;
         node.bufferSource.disconnect(0);
-        try { node.bufferSource.buffer = self._scratchBuffer; } catch(e) {}
+        try { node.bufferSource.buffer = Howler._scratchBuffer; } catch(e) {}
       }
       node.bufferSource = null;