diff --git a/Xlib/protocol/rq.py b/Xlib/protocol/rq.py
index 86cb2de..8a0cd6b 100644
--- a/Xlib/protocol/rq.py
+++ b/Xlib/protocol/rq.py
@@ -604,7 +604,8 @@ def parse_value(self, val, display):
         return self.type.parse_value(val, display)
 
     def pack_value(self, val):
-        return self.type.pack_value(val)
+        val = self.type.pack_value(val)
+        return val, len(val), None
 
     def check_value(self, val):
         if isinstance(val, tuple):