diff --git a/proxyclient/m1n1/hv.py b/proxyclient/m1n1/hv.py
index 5497cbb..2ed27f6 100644
--- a/proxyclient/m1n1/hv.py
+++ b/proxyclient/m1n1/hv.py
@@ -1006,6 +1006,9 @@ class HV(Reloadable):
         elif self.iodev == IODEV.USB1:
             pmgr_hooks = (0x23b700448, 0x23d2800a0, 0x23d280090)

+        # clocks needed by uart
+        pmgr_hooks += (0x23b7001c0, 0x23b700220, 0x23b700270,)
+
         for addr in pmgr_hooks:
             self.map_hook(addr, 4, write=wh, read=rh)
             # TODO: turn into a real tracer