diff --git a/DPG/Tasks/AOTTrack/qaImpPar.cxx b/DPG/Tasks/AOTTrack/qaImpPar.cxx
index 7d9304e982d..90c9252f5a4 100644
--- a/DPG/Tasks/AOTTrack/qaImpPar.cxx
+++ b/DPG/Tasks/AOTTrack/qaImpPar.cxx
@@ -583,7 +583,7 @@ struct QaImpactPar {
             continue;
           }
           auto particle = track.mcParticle();
-          if (keepOnlyPhysPrimary && particle.isPhysicalPrimary()) {
+          if (!particle.isPhysicalPrimary()) {
             continue;
           }
           pdgIndex = PDGtoIndex(std::abs(particle.pdgCode()));