--- file-roller-2.18.1/src/fr-command-7z.c	2007-02-27 10:33:08.000000000 +0100
+++ file-roller-2.18.1.modified/src/fr-command-7z.c	2007-05-14 16:14:12.000000000 +0200
@@ -245,6 +245,7 @@
 		fr_process_add_arg (comm->process, "-mx=7"); break;
 	}
 
+	fr_process_add_arg (comm->process, "--");
 	fr_process_add_arg (comm->process, comm->e_filename);
 
 	for (scan = file_list; scan; scan = scan->next) {