diff --git a/modules/templates/helper.go b/modules/templates/helper.go
index 9c13272c0..441c3d558 100755
--- a/modules/templates/helper.go
+++ b/modules/templates/helper.go
@@ -471,7 +471,7 @@ func Str2html(raw string) template.HTML {
 func subOne(length int) int {
 	return length - 1
 }
-func addOne(length int64) int {
+func addOne(length int64) int64 {
 	return length + 1
 }
 // Escape escapes a HTML string