diff --git a/2019/Inctf/Crypto/Single Byte/xor.py b/2019/Inctf/Crypto/Single Byte/xor.py
index 0610c5a..89577f6 100644
--- a/2019/Inctf/Crypto/Single Byte/xor.py	
+++ b/2019/Inctf/Crypto/Single Byte/xor.py	
@@ -5,7 +5,7 @@
 
 
 fl=''
-for i in str1:
+for i in str1.decode():
 	fl+=chr(ord(i)^ord('z'))