diff --git a/media/mediaType.go b/media/mediaType.go
index f26209ea1..787579956 100644
--- a/media/mediaType.go
+++ b/media/mediaType.go
@@ -314,7 +314,7 @@ func DecodeTypes(maps ...map[string]interface{}) (Types, error) {
 			_, delimiterSet := vm["delimiter"]
 			_, suffixSet := vm["suffix"]
 
-			if mediaType.OldSuffix != "" {
+			if suffixSet {
 				suffixIsDeprecated()
 			}