diff --git a/PWGUD/Tasks/flowCorrelationsUpc.cxx b/PWGUD/Tasks/flowCorrelationsUpc.cxx
index aeb3ed95b4a..7b00062f453 100644
--- a/PWGUD/Tasks/flowCorrelationsUpc.cxx
+++ b/PWGUD/Tasks/flowCorrelationsUpc.cxx
@@ -232,7 +232,7 @@ struct FlowCorrelationsUpc {
 
     int trueGapSide = sgSelector.trueGap(collision, cfgCutFV0, cfgCutFT0A, cfgCutFT0C, cfgCutZDC);
     gapSide = trueGapSide;
-    if (gapSide == 2) {
+    if (gapSide == cfgGapSideSelection) {
       return;
     }
 
diff --git a/PWGUD/Tasks/flowCumulantsUpc.cxx b/PWGUD/Tasks/flowCumulantsUpc.cxx
index 723f9910cc9..155a398cd44 100644
--- a/PWGUD/Tasks/flowCumulantsUpc.cxx
+++ b/PWGUD/Tasks/flowCumulantsUpc.cxx
@@ -733,7 +733,7 @@ struct FlowCumulantsUpc {
 
     int trueGapSide = sgSelector.trueGap(collision, cfgCutFV0, cfgCutFT0A, cfgCutFT0C, cfgCutZDC);
     gapSide = trueGapSide;
-    if (gapSide == 2) {
+    if (gapSide == cfgGapSideSelection) {
       return;
     }