diff -uNr terminator-1.91.orig/terminatorlib/plugins/custom_commands.py terminator-1.91/terminatorlib/plugins/custom_commands.py
--- terminator-1.91.orig/terminatorlib/plugins/custom_commands.py	2019-12-20 22:12:24.475810054 -0500
+++ terminator-1.91/terminatorlib/plugins/custom_commands.py	2019-12-20 22:18:07.372918068 -0500
@@ -127,7 +127,7 @@
       if command[-1] != '\n':
         command = command + '\n'
       for terminal in data['terminals']:
-        terminal.vte.feed_child(command,  len(command))
+        terminal.vte.feed_child_binary(command.encode(terminal.vte.get_encoding()))
 
     def configure(self, widget, data = None):
       ui = {}