--- CV/CV.xs	2017/12/23 08:04:48	1.54
+++ CV/CV.xs	2017/12/23 08:05:32	1.55
@@ -480,6 +480,7 @@
 	err_iter:
         WebPDemuxReleaseIterator (&iter);
 	err_demux:
+        WebPDemuxDelete (demux);
 
         perlinterp_acquire ();
 #else