diff --git a/src/util/driconf.dtd b/src/util/driconf.dtd
index 98495cf6842..bcfbe331563 100644
--- a/src/util/driconf.dtd
+++ b/src/util/driconf.dtd
@@ -1,5 +1,5 @@
 <!ELEMENT driconf      (device+)>
-<!ELEMENT device       (application | engine)+>
+<!ELEMENT device       (application | engine)*>
 <!ATTLIST device       driver CDATA #IMPLIED
                        device CDATA #IMPLIED>
 <!ELEMENT application  (option+)>