diff --git a/lexers/embedded/iscdhcpd.xml b/lexers/embedded/iscdhcpd.xml
index 39c5c19ff..645cb05d5 100644
--- a/lexers/embedded/iscdhcpd.xml
+++ b/lexers/embedded/iscdhcpd.xml
@@ -2,7 +2,7 @@
   <config>
     <name>ISCdhcpd</name>
     <alias>iscdhcpd</alias>
-    <filename>*.conf</filename>
+    <filename>dhcpd.conf</filename>
   </config>
   <rules>
     <state name="interpol">