diff --git a/lib/processImage.js b/lib/processImage.js
index <HASH>..<HASH> 100644
--- a/lib/processImage.js
+++ b/lib/processImage.js
@@ -68,6 +68,9 @@ module.exports = function (options) {
                                 } else if (filter.destroy) {
                                     filter.destroy();
                                 }
+                                if (filter.end) {
+                                    filter.end();
+                                }
                             });
                         }
                     }
cleanUp: Call .end() on all filters to free up resources.