diff --git a/chip/lm4/lpc.c b/chip/lm4/lpc.c
index 90a912c6f4..8e2102b403 100644
--- a/chip/lm4/lpc.c
+++ b/chip/lm4/lpc.c
@@ -67,7 +67,7 @@ static struct host_cmd_handler_args host_cmd_args;
 static uint8_t host_cmd_flags;   /* Flags from host command */
 
 /* Params must be 32-bit aligned */
-static uint8_t params_copy[EC_HOST_PACKET_SIZE] __attribute__((aligned(4)));
+static uint8_t params_copy[EC_LPC_HOST_PACKET_SIZE] __attribute__((aligned(4)));
 static int init_done;
 
 static uint8_t * const cmd_params = (uint8_t *)LPC_POOL_CMD_DATA +
@@ -513,10 +513,10 @@ static void handle_host_write(int is_cmd)
 		lpc_packet.request_temp = params_copy;
 		lpc_packet.request_max = sizeof(params_copy);
 		/* Don't know the request size so pass in the entire buffer */
-		lpc_packet.request_size = EC_HOST_PACKET_SIZE;
+		lpc_packet.request_size = EC_LPC_HOST_PACKET_SIZE;
 
 		lpc_packet.response = (void *)LPC_POOL_CMD_DATA;
-		lpc_packet.response_max = EC_HOST_PACKET_SIZE;
+		lpc_packet.response_max = EC_LPC_HOST_PACKET_SIZE;
 		lpc_packet.response_size = 0;
 
 		lpc_packet.driver_result = EC_RES_SUCCESS;
diff --git a/include/ec_commands.h b/include/ec_commands.h
index f1792af1b1..f853545257 100644
--- a/include/ec_commands.h
+++ b/include/ec_commands.h
@@ -47,7 +47,7 @@
 #define EC_LPC_ADDR_HOST_PARAM 0x804
 #define EC_HOST_PARAM_SIZE     0x0fc   /* Size of param area in bytes */
 #define EC_LPC_ADDR_HOST_PACKET 0x800  /* Offset of version 3 packet */
-#define EC_HOST_PACKET_SIZE     0x100  /* Max size of version 3 packet */
+#define EC_LPC_HOST_PACKET_SIZE 0x100  /* Max size of version 3 packet */
 
 /* The actual block is 0x800-0x8ff, but some BIOSes think it's 0x880-0x8ff
  * and they tell the kernel that so we have to think of it as two parts. */
diff --git a/util/comm-lpc.c b/util/comm-lpc.c
index c6ddee93c5..3290bc7c7c 100644
--- a/util/comm-lpc.c
+++ b/util/comm-lpc.c
@@ -138,7 +138,7 @@ static int ec_command_lpc_3(int command, int version,
 	int i;
 
 	/* Fail if output size is too big */
-	if (outsize + sizeof(rq) > EC_HOST_PACKET_SIZE)
+	if (outsize + sizeof(rq) > EC_LPC_HOST_PACKET_SIZE)
 		return -EC_RES_REQUEST_TRUNCATED;
 
 	/* Fill in request packet */