diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h
index 4a415ae851ef..02599687770c 100644
--- a/include/linux/platform_data/cros_ec_proto.h
+++ b/include/linux/platform_data/cros_ec_proto.h
@@ -69,7 +69,7 @@ struct cros_ec_command {
 	uint32_t outsize;
 	uint32_t insize;
 	uint32_t result;
-	uint8_t data[0];
+	uint8_t data[];
 };
 
 /**