diff --git a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/edu/uci/ics/hyracks/control/cc/NodeControllerState.java b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/edu/uci/ics/hyracks/control/cc/NodeControllerState.java
index 6785d6f..85ce104 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/src/main/java/edu/uci/ics/hyracks/control/cc/NodeControllerState.java
+++ b/hyracks/hyracks-control/hyracks-control-cc/src/main/java/edu/uci/ics/hyracks/control/cc/NodeControllerState.java
@@ -219,8 +219,8 @@
             ipcMessageBytesSent[rrdPtr] = hbData.ipcMessageBytesSent;
             ipcMessagesReceived[rrdPtr] = hbData.ipcMessagesReceived;
             ipcMessageBytesReceived[rrdPtr] = hbData.ipcMessageBytesReceived;
+            rrdPtr = (rrdPtr + 1) % RRD_SIZE;
         }
-        rrdPtr = (rrdPtr + 1) % RRD_SIZE;
     }
 
     public int incrementLastHeartbeatDuration() {