diff --git a/selfdrive/boardd/tests/test_boardd_loopback.py b/selfdrive/boardd/tests/test_boardd_loopback.py
index 9501d7bcee..422fed8db3 100755
--- a/selfdrive/boardd/tests/test_boardd_loopback.py
+++ b/selfdrive/boardd/tests/test_boardd_loopback.py
@@ -41,7 +41,7 @@ def test_boardd_loopback():
 
   with Timeout(60, "boardd didn't start"):
     sm = messaging.SubMaster(['health'])
-    while sm.rcv_frame['health'] < 0:
+    while sm.rcv_frame['health'] < 1:
       sm.update(1000)
 
   # boardd blocks on CarVin and CarParams