diff --git a/handler.go b/handler.go
index 57a37b8..a574819 100644
--- a/handler.go
+++ b/handler.go
@@ -65,7 +65,7 @@ func NewRequestOptions(r *http.Request) *RequestOptions {
 		return reqOpt
 	}
 
-	if r.Method != "POST" {
+	if r.Method != http.MethodPost {
 		return &RequestOptions{}
 	}