diff --git a/tools/replay/can_replay.py b/tools/replay/can_replay.py
index c597df1f66..bf6b1e9ae2 100755
--- a/tools/replay/can_replay.py
+++ b/tools/replay/can_replay.py
@@ -21,41 +21,41 @@ ENABLE_IGN = IGN_ON > 0 and IGN_OFF > 0
 ENABLE_PWR = PWR_ON > 0 and PWR_OFF > 0
 
 
-def send_thread(s, flock):
+def send_thread(j: PandaJungle, flock):
   if "FLASH" in os.environ:
     with flock:
-      s.flash()
+      j.flash()
 
   for i in [0, 1, 2, 3, 0xFFFF]:
-    s.can_clear(i)
-    s.set_can_speed_kbps(i, 500)
-    s.set_can_data_speed_kbps(i, 500)
-  s.set_ignition(False)
+    j.can_clear(i)
+    j.set_can_speed_kbps(i, 500)
+    j.set_can_data_speed_kbps(i, 500)
+  j.set_ignition(False)
   time.sleep(5)
-  s.set_ignition(True)
-  s.set_panda_power(True)
-  s.set_can_loopback(False)
+  j.set_ignition(True)
+  j.set_panda_power(True)
+  j.set_can_loopback(False)
 
   rk = Ratekeeper(1 / DT_CTRL, print_delay_threshold=None)
   while True:
     # handle cycling
     if ENABLE_PWR:
       i = (rk.frame*DT_CTRL) % (PWR_ON + PWR_OFF) < PWR_ON
-      s.set_panda_power(i)
+      j.set_panda_power(i)
     if ENABLE_IGN:
       i = (rk.frame*DT_CTRL) % (IGN_ON + IGN_OFF) < IGN_ON
-      s.set_ignition(i)
+      j.set_ignition(i)
 
     snd = CAN_MSGS[rk.frame % len(CAN_MSGS)]
     snd = list(filter(lambda x: x[-1] <= 2, snd))
     try:
-      s.can_send_many(snd)
+      j.can_send_many(snd)
     except usb1.USBErrorTimeout:
       # timeout is fine, just means the CAN TX buffer is full
       pass
 
     # Drain panda message buffer
-    s.can_recv()
+    j.can_recv()
     rk.keep_time()