diff --git a/server/src/main/java/io/druid/segment/indexing/RealtimeTuningConfig.java b/server/src/main/java/io/druid/segment/indexing/RealtimeTuningConfig.java
index 2b302c8283a..7ebb1136f1d 100644
--- a/server/src/main/java/io/druid/segment/indexing/RealtimeTuningConfig.java
+++ b/server/src/main/java/io/druid/segment/indexing/RealtimeTuningConfig.java
@@ -142,7 +142,7 @@ public class RealtimeTuningConfig implements TuningConfig
     return versioningPolicy;
   }
 
-  @JsonProperty
+  @JsonProperty("rejectionPolicy")
   public RejectionPolicyFactory getRejectionPolicyFactory()
   {
     return rejectionPolicyFactory;