diff --git a/tools/game/bong/integrator-reader.py b/tools/game/bong/integrator-reader.py
index ddf6a84..a61d669 100644
--- a/tools/game/bong/integrator-reader.py
+++ b/tools/game/bong/integrator-reader.py
@@ -38,7 +38,7 @@ def sendpos():
     for (id,(b,t,r)) in info.items():
         if b != 0:
             idle[id]=time.time()
-        if idle[id]+30<time.time():
+        if id in idle and idle[id]+30<time.time():
             print "idle-ignoring %s"%(id)
         else:
             if r==1: