diff --git a/analysis/PWGDIL/dielectron/papaframework/PairAnalysisHelper.cxx b/analysis/PWGDIL/dielectron/papaframework/PairAnalysisHelper.cxx
index a4af03ee806a180f9325c2fdccd4018eba41ad8d..72af82bbfc80bfb5d64c793d6e1bd9ed099fd52d 100644
--- a/analysis/PWGDIL/dielectron/papaframework/PairAnalysisHelper.cxx
+++ b/analysis/PWGDIL/dielectron/papaframework/PairAnalysisHelper.cxx
@@ -584,7 +584,7 @@ void PairAnalysisHelper::NormalizeSlicesY(TH2* h) {
   TH2* hsum = (TH2*) h->Clone("SliceInts");
   hsum->Reset("CE");
   for (Int_t ix = 0; ix <= hsum->GetNbinsX() + 1; ix++) {
-    Double_t ysum = h->Integral(ix, ix);
+    Double_t ysum = h->Integral(ix, ix, 0, hsum->GetNbinsY() + 1);
     for (Int_t iy = 0; iy <= hsum->GetNbinsY() + 1; iy++) {
       hsum->SetBinContent(ix, iy, ysum);
     }