diff -Naru ark-18.04.0.orig/plugins/libzipplugin/libzipplugin.cpp ark-18.04.0/plugins/libzipplugin/libzipplugin.cpp
--- ark-18.04.0.orig/plugins/libzipplugin/libzipplugin.cpp	2018-04-19 19:23:12.725883968 +0200
+++ ark-18.04.0/plugins/libzipplugin/libzipplugin.cpp	2018-04-19 19:23:43.031882291 +0200
@@ -41,6 +41,7 @@
 
 #include <utime.h>
 #include <zlib.h>
+#include <memory>
 
 K_PLUGIN_FACTORY_WITH_JSON(LibZipPluginFactory, "kerfuffle_libzip.json", registerPlugin<LibzipPlugin>();)