diff --git a/ipmitool/src/plugins/lanplus/lanplus.h b/ipmitool/src/plugins/lanplus/lanplus.h
index b89a7f7..4068aef 100644
--- a/ipmitool/src/plugins/lanplus/lanplus.h
+++ b/ipmitool/src/plugins/lanplus/lanplus.h
@@ -115,7 +115,7 @@
  * TODO: these are wild guesses and should be checked
  */
 #define IPMI_MAX_CONF_HEADER_SIZE   0x20
-#define IPMI_MAX_PAYLOAD_SIZE       0x40 /* Includes confidentiality header/trailer */
+#define IPMI_MAX_PAYLOAD_SIZE       0xFF /* Includes confidentiality header/trailer */
 #define IPMI_MAX_CONF_TRAILER_SIZE  0x20
 #define IPMI_MAX_INTEGRITY_PAD_SIZE 0x20
 #define IPMI_MAX_AUTH_CODE_SIZE     0x20