diff -upr mate-settings-daemon-make-dist-orig/plugins/xrdb/msd-xrdb-manager.c mate-settings-daemon-make-dist/plugins/xrdb/msd-xrdb-manager.c
--- mate-settings-daemon-make-dist-orig/plugins/xrdb/msd-xrdb-manager.c	2014-11-12 23:17:45.461271000 +0100
+++ mate-settings-daemon-make-dist/plugins/xrdb/msd-xrdb-manager.c	2014-11-12 23:18:28.705704971 +0100
@@ -430,7 +430,7 @@ apply_settings (MsdXrdbManager *manager,
 
         mate_settings_profile_start (NULL);
 
-        command = "xrdb -merge -quiet";
+        command = "xrdb -cpp /bin/cpp -merge -quiet";
 
         string = g_string_sized_new (256);
         append_theme_colors (style, string);