--- backend/src/cnij_backend_common.c	2016-11-13 00:08:34.600824006 +0100
+++ backend/src/cnij_backend_common.c	2016-11-13 00:08:52.037823694 +0100
@@ -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"