diff --git a/lib/modules/Protocols.pmod/X.pmod/Xlib.pmod b/lib/modules/Protocols.pmod/X.pmod/Xlib.pmod
index 5b677d9a70cb73a3e0eb9d691983353f8fa13e76..50c01d2dd253887a6300e733be7f954c2b0d17e3 100644
--- a/lib/modules/Protocols.pmod/X.pmod/Xlib.pmod
+++ b/lib/modules/Protocols.pmod/X.pmod/Xlib.pmod
@@ -419,6 +419,8 @@ class Display
 	      }
 	    else if (type == "Reply")
 	      {
+		werror(sprintf("Xlib.Display->process: Reply '%s'\n",
+			       msg));
 		reply = ([]);
 		int length;