diff --git a/src/trezor/loop.py b/src/trezor/loop.py
index 0c445615e..b8f8bb0e2 100644
--- a/src/trezor/loop.py
+++ b/src/trezor/loop.py
@@ -92,7 +92,7 @@ def run_forever():
         # compute the maximum amount of time we can wait for a message
         if _scheduled_tasks:
             delay = utime.ticks_diff(
-                _scheduled_tasks.min_time(), utime.ticks_us())
+                _scheduled_tasks.peektime(), utime.ticks_us())
         else:
             delay = _MAX_SELECT_DELAY
 
diff --git a/vendor/micropython b/vendor/micropython
index bf2d7b109..6e6c01b97 160000
--- a/vendor/micropython
+++ b/vendor/micropython
@@ -1 +1 @@
-Subproject commit bf2d7b10934242b56833d30a91d0ce1beae097e0
+Subproject commit 6e6c01b97189a95b59a037fa7dabcf8217f199af