diff --git a/validphys2/src/validphys/cuts/filters.yaml b/validphys2/src/validphys/cuts/filters.yaml
index 665631f061..8371f76d5d 100644
--- a/validphys2/src/validphys/cuts/filters.yaml
+++ b/validphys2/src/validphys/cuts/filters.yaml
@@ -239,7 +239,7 @@
 - dataset: ATLAS_Z0J_13TEV_PT_LL
   reason: Avoid the region where resummation effects become important.
   rule: "pT >= 30"
-  
+
 - dataset: ATLAS_Z0J_13TEV_PT_LL
   reason: Avoid the large pT region where the statistics are not very good.
   rule: "pT <= 600"
@@ -271,7 +271,7 @@
     thus the NLO calculation is unreliable.
   PTO: NNLO-
   local_variables:
-    M: sqrt(M2)
+    M: sqrt(m_Z2)
     max_M: 200.0
   rule: M <= max_M
 
@@ -279,7 +279,7 @@
   reason: Remove data points for which electroweak corrections are large.
   PTO: NNLO-
   local_variables:
-    M: sqrt(M2)
+    M: sqrt(m_Z2)
     min_M: 30.0
     max_rapidity: 2.2
   rule: M >= min_M and y <= max_rapidity
@@ -288,7 +288,7 @@
   reason: Remove data points for which electroweak corrections are large.
   PTO: NNLO+
   local_variables:
-    M: sqrt(M2)
+    M: sqrt(m_Z2)
     max_rapidity: 2.2
     max_M: 200.0
   rule: M <= max_M and y <= max_rapidity