diff -ruN cnijfilter-source-4.10-1.orig/backend/src/cnij_backend_common.c cnijfilter-source-4.10-1/backend/src/cnij_backend_common.c
--- cnijfilter-source-4.10-1.orig/backend/src/cnij_backend_common.c	2013-12-24 07:39:15.000000000 +0330
+++ cnijfilter-source-4.10-1/backend/src/cnij_backend_common.c	2016-05-09 20:25:06.256620531 +0430
@@ -37,6 +37,7 @@
 // CUPS Header
 #include <cups/cups.h>
 #include <cups/ipp.h>
+#include <cups/ppd.h>
 
 // Header file for CANON
 #include "cnij_backend_common.h"