--- cups-1.1.23/scheduler/client.c.pipe_pid	2005-10-05 13:28:05.000000000 +0100
+++ cups-1.1.23/scheduler/client.c	2005-10-05 13:28:43.000000000 +0100
@@ -462,6 +462,7 @@
     LogMessage(L_DEBUG2, "CloseClient: %d Killing process ID %d...",
                con->http.fd, con->pipe_pid);
     kill(con->pipe_pid, SIGKILL);
+    con->pipe_pid = 0;
   }
 
   if (con->file >= 0)
