diff --git a/api/src/org/apache/cloudstack/api/command/user/volume/ResizeVolumeCmd.java b/api/src/org/apache/cloudstack/api/command/user/volume/ResizeVolumeCmd.java
index 0cc8039200d..e69194438bf 100644
--- a/api/src/org/apache/cloudstack/api/command/user/volume/ResizeVolumeCmd.java
+++ b/api/src/org/apache/cloudstack/api/command/user/volume/ResizeVolumeCmd.java
@@ -16,8 +16,6 @@
 // under the License.
 package org.apache.cloudstack.api.command.user.volume;
 
-import org.apache.log4j.Logger;
-
 import org.apache.cloudstack.api.APICommand;
 import org.apache.cloudstack.api.ApiCommandJobType;
 import org.apache.cloudstack.api.ApiConstants;
@@ -28,6 +26,7 @@ import org.apache.cloudstack.api.ServerApiException;
 import org.apache.cloudstack.api.response.DiskOfferingResponse;
 import org.apache.cloudstack.api.response.VolumeResponse;
 import org.apache.cloudstack.context.CallContext;
+import org.apache.log4j.Logger;
 
 import com.cloud.event.EventTypes;
 import com.cloud.exception.InvalidParameterValueException;
@@ -47,7 +46,7 @@ public class ResizeVolumeCmd extends BaseAsyncCmd {
     //////////////// API parameters /////////////////////
     /////////////////////////////////////////////////////
 
-    @Parameter(name = ApiConstants.ID, entityType = VolumeResponse.class, type = CommandType.UUID, description = "the ID of the disk volume")
+    @Parameter(name = ApiConstants.ID, entityType = VolumeResponse.class, required = true, type = CommandType.UUID, description = "the ID of the disk volume")
     private Long id;
 
     @Parameter(name = ApiConstants.SIZE, type = CommandType.LONG, required = false, description = "New volume size in G")