diff --git a/maf_extract_ref_chr.py b/maf_extract_ref_chr.py
index 733469a..4e26dc5 100755
--- a/maf_extract_ref_chr.py
+++ b/maf_extract_ref_chr.py
@@ -30,7 +30,7 @@ def main():
         # process header
         if line.startswith('#'):
             if header is True:
-                print(line)
+                print(line.replace('\n', ''))
             else:
                 continue