diff --git a/wiiurpxtool.cpp b/wiiurpxtool.cpp
index 30207a3..5f95d5a 100644
--- a/wiiurpxtool.cpp
+++ b/wiiurpxtool.cpp
@@ -1,7 +1,3 @@
-// Copyright (C) 2016  0CBH0 <maodatou88@163.com>
-// Licensed under the terms of the GNU GPL, version 3
-// http://www.gnu.org/licenses/gpl-3.0.txt
-
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -331,7 +327,7 @@ int compress(FILE *in, FILE *out)
 				{
 					block_size = CHUNK;
 					flush = Z_NO_FLUSH;
-					if(data_size < block_size)
+					if(data_size <= block_size)
 					{
 						block_size = data_size;
 						flush = Z_FINISH;
@@ -388,7 +384,7 @@ int main(int argc, char *argv[])
 {
 	if(argc != 3)
 	{
-		printf("wiiurpxtool - version:1.0\n");
+		printf("wiiurpxtool - version:1.1\n");
 		printf("Compress or decompress RPL/RPX files for Wii U\n\n");
 		printf("Usage:\n");
 		printf("decompress:\n");