diff --git a/internal/waf/checkpoints/request_scheme.go b/internal/waf/checkpoints/request_scheme.go
index 05f98c6..c01fb62 100644
--- a/internal/waf/checkpoints/request_scheme.go
+++ b/internal/waf/checkpoints/request_scheme.go
@@ -10,7 +10,7 @@ type RequestSchemeCheckpoint struct {
 }
 
 func (this *RequestSchemeCheckpoint) RequestValue(req requests.Request, param string, options maps.Map) (value interface{}, sysErr error, userErr error) {
-	value = req.WAFRaw().URL.Scheme
+	value = req.Format("${scheme}")
 	return
 }