diff --git a/README b/README
index aab7234..30b160b 100644
--- a/README
+++ b/README
@@ -10,7 +10,6 @@ nHash cc1f
 Try some password on this file.
 
 $ ./xor_me toto 0xd10d 0Xcc1f
-Algorithm XOR MS Word
 Key: d10d
 Hash: cc1f
 FAIL! toto
@@ -18,7 +17,6 @@ FAIL! toto
 Try the good password on this file.
 
 $ ./xor_me 0824 0xd10d 0Xcc1f
-Algorithm XOR MS Word
 Key: d10d
 Hash: cc1f
 Good guess: 0824
@@ -39,16 +37,14 @@ WARNING: little endian, you should permute bytes
 
 Try some password on this file.
 
-$ ./xor_me 4242 0x499a 0Xcc61 1
-Algorithm XOR MS Excel
+$ ./xor_me 4242 0x499a 0Xcc61
 Key: 499a
 Hash: cc61
 FAIL! 4242
 
 Try the good password on this file.
 
-$ ./xor_me 1950 0x499a 0Xcc61 1
-Algorithm XOR MS Excel
+$ ./xor_me 1950 0x499a 0Xcc61
 Key: 499a
 Hash: cc61
 Good guess: 1950
diff --git a/xor_me.cxx b/xor_me.cxx
index 26c2f3d..e19e19b 100644
--- a/xor_me.cxx
+++ b/xor_me.cxx
@@ -1,19 +1,12 @@
 #include "binarycodec.cxx"
 
 int main(int argc, char ** argv) {
-
-	oox::core::BinaryCodec_XOR::CodecType algo;
-	unsigned char * pwdToTest = reinterpret_cast<unsigned char *>(argv[1]);
 	if (argc < 4) {
-		std::cout << "Usage: " << argv[0] << " <passwd_to_test> <0xKey> <0xHash> [1 for XLS]" << std::endl;
+		std::cout << "Usage: " << argv[0] << " <passwd_to_test> <0xKey> <0xHash>" << std::endl;
 		return EXIT_FAILURE;
-	} else if (argc >= 5) {
-		algo = oox::core::BinaryCodec_XOR::CODEC_EXCEL;
-		std::cout << "Algorithm XOR MS Excel" << std::endl;
-	} else {
-		algo = oox::core::BinaryCodec_XOR::CODEC_WORD;
-		std::cout << "Algorithm XOR MS Word" << std::endl;
 	}
+
+	unsigned char * pwdToTest = reinterpret_cast<unsigned char *>(argv[1]);
 	unsigned short nKey;
 	std::istringstream issk(argv[2]);
 	issk >> std::hex >> nKey;
@@ -24,7 +17,7 @@ int main(int argc, char ** argv) {
 	std::cout << std::hex << "Key: " << nKey << std::endl;
 	std::cout << std::hex << "Hash: " << nHash << std::endl;
 
-	oox::core::BinaryCodec_XOR x(algo);
+	oox::core::BinaryCodec_XOR x(oox::core::BinaryCodec_XOR::CODEC_WORD);
 	x.initKey(pwdToTest);
 
 	if (x.verifyKey(nKey, nHash)) {