diff --git a/topeft/data/btagSF/UL/btagMCeff_2016.pkl.gz b/topeft/data/btagSF/UL/btagMCeff_2016.pkl.gz
index 49c21ac58..4fd84db41 100644
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diff --git a/topeft/data/btagSF/UL/btagMCeff_2016APV.pkl.gz b/topeft/data/btagSF/UL/btagMCeff_2016APV.pkl.gz
index 6e6ca59f5..94252f79f 100644
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diff --git a/topeft/data/btagSF/UL/btagMCeff_2017.pkl.gz b/topeft/data/btagSF/UL/btagMCeff_2017.pkl.gz
index 72f443584..2e4c1f173 100644
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diff --git a/topeft/data/btagSF/UL/btagMCeff_2018.pkl.gz b/topeft/data/btagSF/UL/btagMCeff_2018.pkl.gz
index c2eb73576..e7486c6d1 100644
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diff --git a/topeft/modules/corrections.py b/topeft/modules/corrections.py
index 15ae221fa..ad5f92201 100644
--- a/topeft/modules/corrections.py
+++ b/topeft/modules/corrections.py
@@ -427,23 +427,23 @@ def GetMCeffFunc(year, wp='medium', flav='b'):
     hnum = h.integrate('WP', wp)
     hden = h.integrate('WP', 'all')
     getnum = lookup_tools.dense_lookup.dense_lookup(
-        hnum.values(overflow='over')[()],
+        hnum.values()[()],
         [
-            hnum.axis('pt').edges(),
-            hnum.axis('abseta').edges(),
-            hnum.axis('flav').edges()
+            hnum.axes['pt'].edges,
+            hnum.axes['abseta'].edges,
+            hnum.axes['flav'].edges
         ]
     )
     getden = lookup_tools.dense_lookup.dense_lookup(
-        hden.values(overflow='over')[()],
+        hden.values()[()],
         [
-            hden.axis('pt').edges(),
-            hnum.axis('abseta').edges(),
-            hden.axis('flav').edges()
+            hden.axes['pt'].edges,
+            hnum.axes['abseta'].edges,
+            hden.axes['flav'].edges
         ]
     )
-    values = hnum.values(overflow='over')[()]
-    edges = [hnum.axis('pt').edges(), hnum.axis('abseta').edges(), hnum.axis('flav').edges()]
+    values = hnum.values()[()]
+    edges = [hnum.axes['pt'].edges, hnum.axes['abseta'].edges, hnum.axes['flav'].edges]
     fun = lambda pt, abseta, flav: getnum(pt,abseta,flav)/getden(pt,abseta,flav)
     return fun