diff --git a/PWGEM/Dilepton/Core/SingleTrackQCMC.h b/PWGEM/Dilepton/Core/SingleTrackQCMC.h
index 45c40aa5c1f..bd16f85f0e7 100644
--- a/PWGEM/Dilepton/Core/SingleTrackQCMC.h
+++ b/PWGEM/Dilepton/Core/SingleTrackQCMC.h
@@ -197,7 +197,7 @@ struct SingleTrackQCMC {
 
   HistogramRegistry fRegistry{"output", {}, OutputObjHandlingPolicy::AnalysisObject, false, false}; // 1 HistogramRegistry can keep up to 512 histograms
   static constexpr std::string_view event_cut_types[2] = {"before/", "after/"};
-  static constexpr std::string_view lepton_source_types[9] = {"lf/", "Photon/", "PromptJPsi/", "NonPromptJPsi/", "PromptPsi2S/", "NonPromptPsi2S/", "c2l/", "b2l/", "b2c2l/"};
+  static constexpr std::string_view lepton_source_types[10] = {"lf/", "lf_prompt/", "Photon/", "PromptJPsi/", "NonPromptJPsi/", "PromptPsi2S/", "NonPromptPsi2S/", "c2l/", "b2l/", "b2c2l/"};
 
   ~SingleTrackQCMC() {}
 
@@ -221,6 +221,7 @@ struct SingleTrackQCMC {
 
       // generated info
       fRegistry.add("Generated/lf/hs", "gen. single electron", kTHnSparseD, {axis_pt, axis_eta, axis_phi, axis_charge_gen}, true);
+      fRegistry.addClone("Generated/lf/", "Generated/lf_prompt/");
       fRegistry.addClone("Generated/lf/", "Generated/PromptJPsi/");
       fRegistry.addClone("Generated/lf/", "Generated/NonPromptJPsi/");
       fRegistry.addClone("Generated/lf/", "Generated/PromptPsi2S/");
@@ -253,6 +254,7 @@ struct SingleTrackQCMC {
         fRegistry.add("Track/lf/positive/hPtGen_DeltaPhi", "electron #varphi resolution;p_{T}^{gen} (GeV/c);#varphi^{rec} - #varphi^{gen} (rad.)", kTH2F, {{200, 0, 10}, {100, -0.05f, 0.05f}}, true);
       }
       fRegistry.addClone("Track/lf/positive/", "Track/lf/negative/");
+      fRegistry.addClone("Track/lf/", "Track/lf_prompt/");
       fRegistry.addClone("Track/lf/", "Track/Photon/"); // this is not for efficiency! only for contamination. We don't store generated photon conversions.
       fRegistry.addClone("Track/lf/", "Track/PromptJPsi/");
       fRegistry.addClone("Track/lf/", "Track/NonPromptJPsi/");
@@ -289,6 +291,7 @@ struct SingleTrackQCMC {
 
       // generated info
       fRegistry.add("Generated/lf/hs", "gen. single muon", kTHnSparseD, {axis_pt, axis_eta, axis_phi, axis_charge_gen}, true);
+      fRegistry.addClone("Generated/lf/", "Generated/lf_prompt/");
       fRegistry.addClone("Generated/lf/", "Generated/PromptJPsi/");
       fRegistry.addClone("Generated/lf/", "Generated/NonPromptJPsi/");
       fRegistry.addClone("Generated/lf/", "Generated/PromptPsi2S/");
@@ -318,6 +321,7 @@ struct SingleTrackQCMC {
         fRegistry.add("Track/lf/positive/hPtGen_DeltaPhi", "muon #varphi resolution;p_{T}^{gen} (GeV/c);#varphi^{rec} - #varphi^{gen} (rad.)", kTH2F, {{200, 0, 10}, {100, -0.05f, 0.05f}}, true);
       }
       fRegistry.addClone("Track/lf/positive/", "Track/lf/negative/");
+      fRegistry.addClone("Track/lf/", "Track/lf_prompt/");
       fRegistry.addClone("Track/lf/", "Track/Photon/"); // this is not for efficiency! only for contamination. We don't store generated photon conversions.
       fRegistry.addClone("Track/lf/", "Track/PromptJPsi/");
       fRegistry.addClone("Track/lf/", "Track/NonPromptJPsi/");
@@ -714,30 +718,33 @@ struct SingleTrackQCMC {
 
         if (mctrack.isPhysicalPrimary() || mctrack.producedByGenerator()) {
           if (pdg_mother == 111 || pdg_mother == 221 || pdg_mother == 331 || pdg_mother == 113 || pdg_mother == 223 || pdg_mother == 333) {
-            fillTrackInfo<0, TMCParticles>(track);
+            fillTrackInfo<0, TMCParticles>(track); // lf
+            if (IsFromCharm(mcmother, mcparticles) < 0 && IsFromBeauty(mcmother, mcparticles) < 0) {
+              fillTrackInfo<1, TMCParticles>(track); // lf_prompt
+            }
           } else if (pdg_mother == 443) {
             if (IsFromBeauty(mcmother, mcparticles) > 0) { // b is found in full decay chain.
-              fillTrackInfo<3, TMCParticles>(track);
+              fillTrackInfo<4, TMCParticles>(track);
             } else {
-              fillTrackInfo<2, TMCParticles>(track);
+              fillTrackInfo<3, TMCParticles>(track);
             }
           } else if (pdg_mother == 100443) {
             if (IsFromBeauty(mcmother, mcparticles) > 0) { // b is found in full decay chain.
-              fillTrackInfo<5, TMCParticles>(track);
+              fillTrackInfo<6, TMCParticles>(track);
             } else {
-              fillTrackInfo<4, TMCParticles>(track);
+              fillTrackInfo<5, TMCParticles>(track);
             }
           } else if (IsFromBeauty(mctrack, mcparticles) > 0) { // b is found in full decay chain.
             if (IsFromCharm(mctrack, mcparticles) > 0) {       // c is found in full decay chain.
-              fillTrackInfo<8, TMCParticles>(track);
+              fillTrackInfo<9, TMCParticles>(track);
             } else {
-              fillTrackInfo<7, TMCParticles>(track);
+              fillTrackInfo<8, TMCParticles>(track);
             }
           } else if (IsFromCharm(mctrack, mcparticles) > 0) { // c is found in full decay chain. Not from b.
-            fillTrackInfo<6, TMCParticles>(track);
+            fillTrackInfo<7, TMCParticles>(track);
           }
         } else {
-          fillTrackInfo<1, TMCParticles>(track);
+          fillTrackInfo<2, TMCParticles>(track);
         }
       } // end of track loop
 
@@ -821,6 +828,9 @@ struct SingleTrackQCMC {
 
         if (pdg_mother == 111 || pdg_mother == 221 || pdg_mother == 331 || pdg_mother == 113 || pdg_mother == 223 || pdg_mother == 333) {
           fRegistry.fill(HIST("Generated/lf/hs"), pt, eta, phi, -lepton.pdgCode() / pdg_lepton);
+          if (IsFromCharm(mcmother, mcparticles) < 0 && IsFromBeauty(mcmother, mcparticles) < 0) {
+            fRegistry.fill(HIST("Generated/lf_prompt/hs"), pt, eta, phi, -lepton.pdgCode() / pdg_lepton);
+          }
         } else if (pdg_mother == 443) {
           if (IsFromBeauty(mcmother, mcparticles) > 0) { // b is found in full decay chain.
             fRegistry.fill(HIST("Generated/NonPromptJPsi/hs"), pt, eta, phi, -lepton.pdgCode() / pdg_lepton);