Index: backend/comics/comics-document.c
===================================================================
--- backend/comics/comics-document.c	(revisión: 3302)
+++ backend/comics/comics-document.c	(copia de trabajo)
@@ -137,7 +137,8 @@
 		list_files_command = 
 			g_strdup_printf ("zipinfo -1 -- %s", quoted_file);
 		comics_document->regex_arg = TRUE;
-	} else if (!strcmp (mime_type, "application/x-cb7")) {
+	} else if (!strcmp (mime_type, "application/x-cb7") ||
+		   !strcmp (mime_type, "application/x-7z-compressed")) {
 		comics_document->extract_command =
 			g_strdup ("7zr x -so");
 		list_files_command = 
