1 files changed, 1 insertions, 1 deletions
diff --git a/lib/http_observer/process_response.js b/lib/http_observer/process_response.js
index 000daa2..ae643ab 100644
--- a/lib/http_observer/process_response.js
+++ b/lib/http_observer/process_response.js
@@ -391,7 +391,7 @@ var processResponseObject = {
            ) {
             converter.charset = this.req.contentCharset;
         } else {
-            converter.charset = "utf-8";
+            converter.charset = "UTF-8";
         }
 
         var stream = converter.convertToInputStream(this.data);