diff --git a/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/CC2420RadioPacketConverter.java b/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/CC2420RadioPacketConverter.java
index fd62da50f..a4eebaaab 100644
--- a/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/CC2420RadioPacketConverter.java
+++ b/tools/cooja/apps/mspsim/src/org/contikios/cooja/mspmote/interfaces/CC2420RadioPacketConverter.java
@@ -46,7 +46,7 @@ public class CC2420RadioPacketConverter {
   public static final boolean WITH_XMAC = false; /* XXX No longer supported. Cross-level requires NULLMAC */
   public static final boolean WITH_CHECKSUM = false; /* Contiki checksum. Not CC2420's built-in. */
   public static final boolean WITH_TIMESTAMP = false; /* Contiki timestamp */
-  public static final boolean WITH_FOOTER = true; /* CC2420's checksum */
+  public static final boolean WITH_FOOTER = false; /* CC2420's checksum */
 
   public static byte[] fromCoojaToCC2420(RadioPacket packet) {
     byte cc2420Data[] = new byte[6+127];