diff --git a/benchmarks/track_finding/options/track_reconstruction.py b/benchmarks/track_finding/options/track_reconstruction.py
index 945aa99d456ef3a02af975019eca3553ed316a9d..a31fece00ca2f84fdb89aad8bbdd8d36aedf1b4a 100644
--- a/benchmarks/track_finding/options/track_reconstruction.py
+++ b/benchmarks/track_finding/options/track_reconstruction.py
@@ -134,6 +134,7 @@ conformal_find = ConformalXYPeakProtoTracks("conformal_find",
         inputTrackerHits=trk_hit_col.trackingHits,
         outputProtoTracks="outputProtoTracks",
         nProtoTracks="nProtoTracks",
+        nPhiBins=90,
         OutputLevel=DEBUG)
 algorithms.append( conformal_find )