diff --git a/to-rpz/dnsmasq_rpz_argv.py b/to-rpz/dnsmasq_rpz_argv.py
index e4540b0..1d7f6bb 100644
--- a/to-rpz/dnsmasq_rpz_argv.py
+++ b/to-rpz/dnsmasq_rpz_argv.py
@@ -12,8 +12,10 @@ lst = []
 with open(infile, 'r') as f:
  for line in f:
     for word in a:
-        if word in line:
-             line = line.replace(word,'')
+        if word in line and not line.startswith('#'):
+            line = line.replace(word,'')
+    else:
+	        line = line.replace(line, line)
     lst.append(line)
 f.close()
 with open(infile, 'w') as f:
diff --git a/to-rpz/host_rpz_argv.py b/to-rpz/host_rpz_argv.py
index 1d12ae6..a689bf6 100644
--- a/to-rpz/host_rpz_argv.py
+++ b/to-rpz/host_rpz_argv.py
@@ -12,8 +12,10 @@ lst = []
 with open(infile, 'r') as f:
  for line in f:
     for word in a:
-        if word in line:
+        if word in line and not line.startswith('#'):
              line = line.replace(word,'')
+    else:
+		     line = line.replace(line, line)
     lst.append(line)
 f.close()
 with open(infile, 'w') as f:
diff --git a/to-rpz/unbound_rpz_argv.py b/to-rpz/unbound_rpz_argv.py
index 574ac34..bb2870c 100644
--- a/to-rpz/unbound_rpz_argv.py
+++ b/to-rpz/unbound_rpz_argv.py
@@ -13,8 +13,10 @@ lst = []
 with open(infile, 'r') as f:
  for line in f:
     for word in a:
-        if word in line:
+        if word in line and not line.startswith('#'):
              line = line.replace(word,'')
+    else:
+	         line = line.replace(line, line)
     lst.append(line)
 f.close()
 with open(infile, 'w') as f: