diff --git a/packages/platforms/accton/x86-64/as9947-72xkb/modules/builds/src/accton_ipmi_intf.c b/packages/platforms/accton/x86-64/as9947-72xkb/modules/builds/src/accton_ipmi_intf.c
index 0bf88f646..48a0c9acf 100644
--- a/packages/platforms/accton/x86-64/as9947-72xkb/modules/builds/src/accton_ipmi_intf.c
+++ b/packages/platforms/accton/x86-64/as9947-72xkb/modules/builds/src/accton_ipmi_intf.c
@@ -24,7 +24,7 @@
 #define ACCTON_IPMI_NETFN 0x34
 #define IPMI_TIMEOUT (5 * HZ)
 #define IPMI_ERR_RETRY_TIMES 1
-#define RAW_CMD_BUF_SIZE 32
+#define RAW_CMD_BUF_SIZE 40
 
 static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data);