diff --git a/modules/templates/helper.go b/modules/templates/helper.go
index 61d926ee8af6..991816c10332 100644
--- a/modules/templates/helper.go
+++ b/modules/templates/helper.go
@@ -379,6 +379,7 @@ func NewFuncMap() []template.FuncMap {
 		"MermaidMaxSourceCharacters": func() int {
 			return setting.MermaidMaxSourceCharacters
 		},
+		"QueryEscape": url.QueryEscape,
 	}}
 }