diff --git a/sublist3r.py b/sublist3r.py
index 818a0c2..10a8778 100755
--- a/sublist3r.py
+++ b/sublist3r.py
@@ -104,7 +104,7 @@ def parse_args():
 def write_file(filename, subdomains):
     # saving subdomains results to output file
     print("%s[-] Saving results to file: %s%s%s%s" % (Y, W, R, filename, W))
-    with open(str(filename), 'wt',encoding='utf-8') as f:
+    with open(str(filename), 'wt') as f:
         for subdomain in subdomains:
             f.write(subdomain + os.linesep)