diff --git a/tools/radar/ui.py b/tools/radar/ui.py
index 29a247f8a2..a9a62eac03 100755
--- a/tools/radar/ui.py
+++ b/tools/radar/ui.py
@@ -817,7 +817,7 @@ def make_radar_snapshot(radar_data, track_signals: tuple[DisplayTrackSignals, ..
       dRel=float(point.dRel),
       yRel=float(point.yRel),
       vRel=float(point.vRel),
-      aRel=float(point.aRel),
+      aRel=float("nan"),
       canAddress=track_locations.get(int(point.trackId), (-1, -1))[0],
       canBus=track_locations.get(int(point.trackId), (-1, -1))[1],
     ) for point in radar_data.points),