diff --git a/PWGEM/Dilepton/Core/SingleTrackQCMC.h b/PWGEM/Dilepton/Core/SingleTrackQCMC.h
index bde658f6c28..97191e4fe98 100644
--- a/PWGEM/Dilepton/Core/SingleTrackQCMC.h
+++ b/PWGEM/Dilepton/Core/SingleTrackQCMC.h
@@ -1055,6 +1055,9 @@ struct SingleTrackQCMC {
           if (cfgEventGeneratorType >= 0 && mccollision_from_track.getSubGeneratorId() != cfgEventGeneratorType) {
             continue;
           }
+          if (cfgRequireTrueAssociation && (mctrack.emmceventId() != collision.emmceventId())) {
+            continue;
+          }
 
           if (dielectroncuts.cfg_pid_scheme == static_cast<int>(DielectronCut::PIDSchemes::kPIDML)) {
             if (!cut.template IsSelectedTrack<false>(track)) {
@@ -1074,6 +1077,9 @@ struct SingleTrackQCMC {
           if (cfgEventGeneratorType >= 0 && mccollision_from_track.getSubGeneratorId() != cfgEventGeneratorType) {
             continue;
           }
+          if (cfgRequireTrueAssociation && (mctrack.emmceventId() != collision.emmceventId())) {
+            continue;
+          }
           if (!cut.template IsSelectedTrack<false>(track)) {
             continue;
           }