diff --git a/src/BTVNanoCommissioning/workflows/ctag_edileptt_valid_sf.py b/src/BTVNanoCommissioning/workflows/ctag_edileptt_valid_sf.py
index 610fcf00..46b981ab 100644
--- a/src/BTVNanoCommissioning/workflows/ctag_edileptt_valid_sf.py
+++ b/src/BTVNanoCommissioning/workflows/ctag_edileptt_valid_sf.py
@@ -417,6 +417,7 @@ def process_shift(self, events, shift_name):
             output["nsoftmu"].fill(syst, nsoftmu, weight=weight)
             output["hl_ptratio"].fill(
                 syst,
+                genflavor[:, 0],
                 ratio=isomu0.pt / sjets[:, 0].pt,
                 weight=weight,
             )