diff --git a/fonts.conf.in b/fonts.conf.in
index a4f3389..343df79 100644
--- a/fonts.conf.in
+++ b/fonts.conf.in
@@ -282,6 +282,11 @@
 		</edit>
 	</match>
 
+<!--
+  Load local system customization file
+-->
+	<include ignore_missing="yes">conf.d</include>
+
 <!--
   Provide required aliases for standard names
 -->