diff --git a/src/ioq_server.erl b/src/ioq_server.erl
index e33c2fc..fce5071 100644
--- a/src/ioq_server.erl
+++ b/src/ioq_server.erl
@@ -474,6 +474,8 @@
         ets:insert(Tab, {Key, Incr})
     end.
 
+timebin(0) ->
+    0;
 timebin(V) ->
     trunc(10*math:log10(V)).