diff --git a/mvc/src/main/java/webmvc/org/springframework/web/servlet/view/JsonView.java b/mvc/src/main/java/webmvc/org/springframework/web/servlet/view/JsonView.java
index d5d5ae72e7..070751ddf6 100644
--- a/mvc/src/main/java/webmvc/org/springframework/web/servlet/view/JsonView.java
+++ b/mvc/src/main/java/webmvc/org/springframework/web/servlet/view/JsonView.java
@@ -10,7 +10,7 @@
 
 public class JsonView implements View {
 
-    private final ObjectMapper objectMapper = new ObjectMapper();
+    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
 
     @Override
     public void render(final Map<String, ?> model, final HttpServletRequest request,
@@ -22,8 +22,8 @@ public void render(final Map<String, ?> model, final HttpServletRequest request,
 
     private String convertModel(final Map<String, ?> model) throws JsonProcessingException {
         if (model.size() == 1) {
-            return objectMapper.writeValueAsString(model.values().toArray()[0]);
+            return OBJECT_MAPPER.writeValueAsString(model.values().toArray()[0]);
         }
-        return objectMapper.writeValueAsString(model);
+        return OBJECT_MAPPER.writeValueAsString(model);
     }
 }