diff --git a/df_datalink_sp/src/networking/link_layer/msg_def.h b/df_datalink_sp/src/networking/link_layer/msg_def.h
index da187a0..d8be7f2 100644
--- a/df_datalink_sp/src/networking/link_layer/msg_def.h
+++ b/df_datalink_sp/src/networking/link_layer/msg_def.h
@@ -26,7 +26,7 @@
 #define L2_PACK_LEN_MAX 512 // bytes
 
 #define L2_ADV_PACK_LEN 28  // bytes
-#define L2_CMF_PACK_LEN 268 // bytes
+#define L2_CMF_PACK_LEN 28  // bytes
 #define L2_SVC_PACK_LEN 268 // bytes
 
 // Common structure:
@@ -117,4 +117,4 @@
 
 /** @} LinkLayer_MSG_Constants*/
 
-/** @} LinkLayer*/
\ No newline at end of file
+/** @} LinkLayer*/