diff --git a/PWGEM/Dilepton/Core/Dilepton.h b/PWGEM/Dilepton/Core/Dilepton.h
index 758e62a5d2c..4adaac98b61 100644
--- a/PWGEM/Dilepton/Core/Dilepton.h
+++ b/PWGEM/Dilepton/Core/Dilepton.h
@@ -115,7 +115,7 @@ struct Dilepton {
   Configurable<int> cfgNtracksPV08Min{"cfgNtracksPV08Min", -1, "min. multNTracksPV"};
   Configurable<int> cfgNtracksPV08Max{"cfgNtracksPV08Max", static_cast<int>(1e+9), "max. multNTracksPV"};
   Configurable<bool> cfgApplyWeightTTCA{"cfgApplyWeightTTCA", false, "flag to apply weighting by 1/N"};
-  Configurable<std::string> cfgDCAcase{"cfgDCAcase", "3D", "use string to choose which DCA component is used (default:3D, xy, z)"};
+  Configurable<int> cfgDCAcase{"cfgDCAcase", 0, "DCA component for output (3D:0, xy:1, z:2, all:3)"};
 
   ConfigurableAxis ConfMllBins{"ConfMllBins", {VARIABLE_WIDTH, 0.00, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.30, 0.31, 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.39, 0.40, 0.41, 0.42, 0.43, 0.44, 0.45, 0.46, 0.47, 0.48, 0.49, 0.50, 0.51, 0.52, 0.53, 0.54, 0.55, 0.56, 0.57, 0.58, 0.59, 0.60, 0.61, 0.62, 0.63, 0.64, 0.65, 0.66, 0.67, 0.68, 0.69, 0.70, 0.71, 0.72, 0.73, 0.74, 0.75, 0.76, 0.77, 0.78, 0.79, 0.80, 0.81, 0.82, 0.83, 0.84, 0.85, 0.86, 0.87, 0.88, 0.89, 0.90, 0.91, 0.92, 0.93, 0.94, 0.95, 0.96, 0.97, 0.98, 0.99, 1.00, 1.01, 1.02, 1.03, 1.04, 1.05, 1.06, 1.07, 1.08, 1.09, 1.10, 1.11, 1.12, 1.13, 1.14, 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.30, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90, 2.00, 2.10, 2.20, 2.30, 2.40, 2.50, 2.60, 2.70, 2.75, 2.80, 2.85, 2.90, 2.95, 3.00, 3.05, 3.10, 3.15, 3.20, 3.25, 3.30, 3.35, 3.40, 3.45, 3.50, 3.55, 3.60, 3.65, 3.70, 3.75, 3.80, 3.85, 3.90, 3.95, 4.00}, "mll bins for output histograms"};
   ConfigurableAxis ConfPtllBins{"ConfPtllBins", {VARIABLE_WIDTH, 0.00, 0.10, 0.20, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80, 0.90, 1.00, 1.10, 1.20, 1.30, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00}, "pTll bins for output histograms"};
@@ -491,9 +491,9 @@ struct Dilepton {
       pair_dcaZ_axis_title = "DCA_{ee}^{Z} (#sigma)";
 
       pair_dca_axis_title = pair_dca3D_axis_title;
-      if (cfgDCAcase.value.find("xy") != std::string::npos) {
+      if (cfgDCAcase == 1) {
         pair_dca_axis_title = pair_dcaXY_axis_title;
-      } else if (cfgDCAcase.value.find("z") != std::string::npos) {
+      } else if (cfgDCAcase == 2) {
         pair_dca_axis_title = pair_dcaZ_axis_title;
       }
     } else if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDimuon) {
@@ -834,13 +834,13 @@ struct Dilepton {
       dca3D_t2 = dca3DinSigma(t2);
       pair_dca3D = std::sqrt((dca3D_t1 * dca3D_t1 + dca3D_t2 * dca3D_t2) / 2.);
       pair_dca = pair_dca3D;
-      if (cfgDCAcase.value.find("xy") != std::string::npos) {
+      if (cfgDCAcase == 1 || cfgDCAcase == 3) {
         dcaxy_t1 = t1.dcaXY() / std::sqrt(t1.cYY());
         dcaxy_t2 = t2.dcaXY() / std::sqrt(t2.cYY());
         pair_dcaxy = std::sqrt((dcaxy_t1 * dcaxy_t1 + dcaxy_t2 * dcaxy_t2) / 2.);
         pair_dca = pair_dcaxy;
       }
-      if (cfgDCAcase.value.find("z") != std::string::npos) {
+      if (cfgDCAcase == 2 || cfgDCAcase == 3) {
         dcaz_t1 = t1.dcaZ() / std::sqrt(t1.cZZ());
         dcaz_t2 = t2.dcaZ() / std::sqrt(t2.cZZ());
         pair_dcaz = std::sqrt((dcaz_t1 * dcaz_t1 + dcaz_t2 * dcaz_t2) / 2.);