diff --git a/selfdrive/test/process_replay/compare_logs.py b/selfdrive/test/process_replay/compare_logs.py
index c96e624421..821429a70f 100755
--- a/selfdrive/test/process_replay/compare_logs.py
+++ b/selfdrive/test/process_replay/compare_logs.py
@@ -70,7 +70,10 @@ def compare_logs(log1, log2, ignore_fields=None, ignore_msgs=None, tolerance=Non
     field_tolerances = {}
   default_tolerance = EPSILON if tolerance is None else tolerance
 
-  log1, log2 = (list(filter(lambda m: m.which() not in ignore_msgs, log)) for log in (log1, log2))
+  log1, log2 = (
+    sorted((m for m in log if m.which() not in ignore_msgs), key=lambda m: (m.logMonoTime, m.which()))
+    for log in (log1, log2)
+  )
 
   if len(log1) != len(log2):
     cnt1 = Counter(m.which() for m in log1)