diff --git a/core/src/main/java/hudson/model/Run.java b/core/src/main/java/hudson/model/Run.java
index e01b6c4a42d0edfb437dd597415a053cbfab06a8..d205f1ed3d53a3a21c6176426340d8d4d91534ae 100644
--- a/core/src/main/java/hudson/model/Run.java
+++ b/core/src/main/java/hudson/model/Run.java
@@ -1835,6 +1835,7 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
 
     public HttpResponse doConfigSubmit( StaplerRequest req ) throws IOException, ServletException, FormException {
         checkPermission(UPDATE);
+        req.setCharacterEncoding("UTF-8");
         BulkChange bc = new BulkChange(this);
         try {
             JSONObject json = req.getSubmittedForm();