diff --git a/var/mongoose/include/modversion.jim b/var/mongoose/include/modversion.jim
index 0584b1b2..78b1723b 100755
--- a/var/mongoose/include/modversion.jim
+++ b/var/mongoose/include/modversion.jim
@@ -3,10 +3,15 @@
 source /mod/webif/lib/setup
 require system.class
 
+set modver [system modversion]
+set modbuild [system modbuild]
+if {$modbuild > 0} {
+	append modver " (build $modbuild)"
+}
 
 puts "<font class=blood style=\"font-size: 0.9em; float: right; clear: right\">
 	Web interface version: [system pkgver webif]<br>
-	Custom firmware version: [system modversion]
+	Custom firmware version: $modver
 "
 if {![catch {set fhtcpversion [system fhtcpversion]}]} {
 	puts "<br>Humax Version: $fhtcpversion"
diff --git a/var/mongoose/lib/system.class b/var/mongoose/lib/system.class
index 32eaa25d..99d9aa08 100644
--- a/var/mongoose/lib/system.class
+++ b/var/mongoose/lib/system.class
@@ -43,6 +43,16 @@ proc {system modversion} {{short 0}} {
 	return [format "%d.%d%d" $a $b $c]
 }
 
+proc {system modbuild} {} {
+	if {[catch {set fp [open /etc/modbuild r]}]} {
+		return 0
+	} else {
+		set modbuild [string trim [read $fp]]
+		close $fp
+	}
+	return $modbuild
+}
+
 proc {system fhtcpversion} {} {
 	set file "/etc/fhtcpversion"
 	if {![file exists $file]} { set file "/root/fhtcpversion" }