diff --git a/api/src/org/apache/cloudstack/api/ApiConstants.java b/api/src/org/apache/cloudstack/api/ApiConstants.java
index 3a90afc146b..239b8cdeec8 100755
--- a/api/src/org/apache/cloudstack/api/ApiConstants.java
+++ b/api/src/org/apache/cloudstack/api/ApiConstants.java
@@ -59,7 +59,7 @@ public class ApiConstants {
     public static final String CTX_ACCOUNT_ID = "ctxaccountid";
     public static final String CTX_USER_ID = "ctxuserid";
     public static final String CTXSTARTEVENTID = "ctxstarteventid";
-    public static final String CTX_START_EVENT_ID = "ctxstarteventid";
+    public static final String CTX_START_EVENT_ID = "ctxStartEventId";
     public static final String CUSTOMIZED = "customized";
     public static final String CUSTOMIZED_IOPS = "customizediops";
     public static final String CUSTOM_ID = "customid";