1 files changed, 1 insertions, 1 deletions
diff --git a/sim.py b/sim.py
index c8f9fdb..0d775f4 100755
--- a/sim.py
+++ b/sim.py
@@ -72,7 +72,7 @@ def write_event(T, ev, event_id, hits, photon_start=None, photon_stop=None):
                           photons['wavelength'], photons['t0'],
                           photons['histories'], photons['last_hit_triangles'])
 
-    root.fill_hits(ev, len(hits), hits['t'], hits['q'], hits['history'])
+    root.fill_hits(ev, len(hits['t']), hits['t'], hits['q'], hits['history'])
     T.Fill()
 
 #@profile