diff --git a/sim/fakes/time.py b/sim/fakes/time.py
index a14f83f4796760c17e061af0a2a60409c08f050e..82a7ceeae8de6c8eac1d357f6333212a1476f0bf 100644
--- a/sim/fakes/time.py
+++ b/sim/fakes/time.py
@@ -2,3 +2,7 @@
 def sleep_ms(ms):
     import _time
     _time.sleep(ms * 0.001)
+
+def ticks_ms():
+    import _time
+    return int(_time.time() * 1000)