diff --git a/context.go b/context.go
index <HASH>..<HASH> 100644
--- a/context.go
+++ b/context.go
@@ -68,7 +68,7 @@ const (
 	methods                           = "GET,PUT,POST,DELETE"
 	corsCType                         = "Content-Type, *"
 	trueStr                           = "true"
-	jsonCT                            = "application/json"
+	jsonCT                            = "application/json;charset=utf8"
 	hOrigin                           = "Origin"
 )
context: support utf8 in JSON() responses