diff --git a/src/etc/inc/services.inc b/src/etc/inc/services.inc
index 813b53661..f6f1944ef 100644
--- a/src/etc/inc/services.inc
+++ b/src/etc/inc/services.inc
@@ -815,7 +815,7 @@ EOD;
             if (!empty($dhcpifconf['filename']) && !empty($dhcpifconf['filename32']) && !empty($dhcpifconf['filename64'])) {
                 $dhcpdconf .= "  if option arch = 00:06 {\n";
                 $dhcpdconf .= "    filename \"{$dhcpifconf['filename32']}\";\n";
-                $dhcpdconf .= "  } else if option arch = 00:07 {\n";
+                $dhcpdconf .= "  } else if option arch = 00:09 {\n";
                 $dhcpdconf .= "    filename \"{$dhcpifconf['filename64']}\";\n";
                 $dhcpdconf .= "  } else {\n";
                 $dhcpdconf .= "    filename \"{$dhcpifconf['filename']}\";\n";