diff --git a/src/remote_control.py b/src/remote_control.py
--- a/src/remote_control.py
+++ b/src/remote_control.py
@@ -211,6 +211,15 @@ class Remote:

     def raise_signal(self, signal, arg):
         if self.signal_object:
+            arg_copy = list(arg)
+            newarg = []
+            for a in arg_copy[1]:
+                try:
+                    newarg.append(a.decode('utf-8', 'replace'))
+                except:
+                    newarg.append(a)
+            arg_copy[1] = newarg
+            arg = tuple(arg_copy)
             try:
                 getattr(self.signal_object, signal)(get_dbus_struct(arg))
             except UnicodeDecodeError: