diff --git a/hassio/misc/gdbus.py b/hassio/misc/gdbus.py
index 4f18761f2..0d0d97904 100644
--- a/hassio/misc/gdbus.py
+++ b/hassio/misc/gdbus.py
@@ -30,7 +30,8 @@ class Dbus(object):
             bus=self.bus_name,
             obj=self.object_path,
             method=method,
-            args=" ".join(args)))
+            args=" ".join(map(str, args))
+        ))
 
         # Run command
         try: