diff --git a/polyglot.ini b/polyglot.ini
new file mode 100644
index 0000000..25c1757
--- /dev/null
+++ b/polyglot.ini
@@ -0,0 +1,8 @@
+[Polyglot]
+EngineName=Sunfish
+EngineCommand=python3 sunfish.py
+EngineDirectory=.
+Log=true
+LogFile=polyglot.log
+XBoard=true
+
diff --git a/tools/uci.py b/tools/uci.py
index ff6d0c4..ed2efab 100644
--- a/tools/uci.py
+++ b/tools/uci.py
@@ -224,7 +224,10 @@ def run(sunfish_module, startpos):
                         think = int(movetime) / 1000
 
                     elif args[1] == "wtime":
-                        wtime, btime, winc, binc = [int(a) / 1000 for a in args[2::2]]
+                        times = [int(a) / 1000 for a in args[2::2]]
+                        while len(times) < 4:
+                            times.append(0)
+                        wtime, btime, winc, binc = times
                         # we always consider ourselves white, but uci doesn't
                         if len(hist) % 2 == 0:
                             wtime, winc = btime, binc