1 files changed, 1 insertions, 1 deletions
diff --git a/utils/chi2 b/utils/chi2
index 24bd9cd..fe602ec 100755
--- a/utils/chi2
+++ b/utils/chi2
@@ -630,7 +630,7 @@ if __name__ == '__main__':
         sys.exit(1)
 
     if not args.pull and not args.coverage:
-        ev_mc = ev_mc[ev_mc.run.isin(rhdr.run)]
+        ev_mc = ev_mc[ev_mc.run.isin(ev.run)]
 
     data_mc = ev_mc[ev_mc.signal & ev_mc.prompt & ~ev_mc.atm]
     data_atm_mc = ev_mc[ev_mc.signal & ev_mc.prompt & ev_mc.atm]