diff --git a/PWGJE/TableProducer/derivedDataProducer.cxx b/PWGJE/TableProducer/derivedDataProducer.cxx
index a946d93b997..3398b33ce42 100644
--- a/PWGJE/TableProducer/derivedDataProducer.cxx
+++ b/PWGJE/TableProducer/derivedDataProducer.cxx
@@ -241,12 +241,11 @@ struct JetDerivedDataProducerTask {
 
   void processMcCollisionLabels(soa::Join<aod::Collisions, aod::McCollisionLabels>::iterator const& collision, aod::McCollisions const&)
   {
+    products.jMcCollisionsLabelTable(collision.mcCollisionId()); // collision.mcCollisionId() returns -1 if collision has no associated mcCollision
     if (collision.has_mcCollision()) {
-      products.jMcCollisionsLabelTable(collision.mcCollisionId());
       products.jCollisionMcInfosTable(collision.mcCollision().weight(), collision.mcCollision().getSubGeneratorId());
     } else {
-      products.jMcCollisionsLabelTable(-1);
-      products.jCollisionMcInfosTable(-1.0, jetderiveddatautilities::JCollisionSubGeneratorId::none);
+      products.jCollisionMcInfosTable(0.0, jetderiveddatautilities::JCollisionSubGeneratorId::none);
     }
   }
   PROCESS_SWITCH(JetDerivedDataProducerTask, processMcCollisionLabels, "produces derived MC collision labels table", false);
diff --git a/PWGJE/TableProducer/jetEventWeightMCD.cxx b/PWGJE/TableProducer/jetEventWeightMCD.cxx
index 0709a362d7f..40ea278c51e 100644
--- a/PWGJE/TableProducer/jetEventWeightMCD.cxx
+++ b/PWGJE/TableProducer/jetEventWeightMCD.cxx
@@ -40,14 +40,14 @@ struct JetEventWeightMCDTask {
   void processMCDetectorLevelEventWeight(MCDetectorLevelJetTable const& jet, soa::Join<aod::JetCollisions, aod::JMcCollisionLbs> const&, aod::JetMcCollisions const&)
   {
     auto collision = jet.template collision_as<soa::Join<aod::JetCollisions, aod::JMcCollisionLbs>>();
-    mcDetectorLevelWeightsTable(jet.globalIndex(), collision.mcCollision().weight());
+    mcDetectorLevelWeightsTable(jet.globalIndex(), collision.weight());
   }
   PROCESS_SWITCH(JetEventWeightMCDTask, processMCDetectorLevelEventWeight, "Fill event weight tables for detector level MC jets", false);
 
   void processMCDetectorLevelEventWiseSubtractedEventWeight(MCDetectorLevelEventWiseSubtractedJetTable const& jet, soa::Join<aod::JetCollisions, aod::JMcCollisionLbs> const&, aod::JetMcCollisions const&)
   {
     auto collision = jet.template collision_as<soa::Join<aod::JetCollisions, aod::JMcCollisionLbs>>();
-    mcDetectorLevelEventWiseSubtractedWeightsTable(jet.globalIndex(), collision.mcCollision().weight());
+    mcDetectorLevelEventWiseSubtractedWeightsTable(jet.globalIndex(), collision.weight());
   }
   PROCESS_SWITCH(JetEventWeightMCDTask, processMCDetectorLevelEventWiseSubtractedEventWeight, "Fill event weight tables for detector level MC jets", false);
 };
diff --git a/PWGJE/Tasks/jetFinderQA.cxx b/PWGJE/Tasks/jetFinderQA.cxx
index 106ad4b4e1e..c823befc753 100644
--- a/PWGJE/Tasks/jetFinderQA.cxx
+++ b/PWGJE/Tasks/jetFinderQA.cxx
@@ -1180,7 +1180,7 @@ struct JetFinderQATask {
                              aod::JetMcCollisions const&,
                              soa::Filtered<soa::Join<aod::JetTracks, aod::JTrackExtras>> const& tracks)
   {
-    float eventWeight = collision.mcCollision().weight();
+    float eventWeight = collision.weight();
     if (skipMBGapEvents && collision.subGeneratorId() == jetderiveddatautilities::JCollisionSubGeneratorId::mbGap) {
       return;
     }
diff --git a/PWGJE/Tasks/jetSpectraCharged.cxx b/PWGJE/Tasks/jetSpectraCharged.cxx
index 67495485bb6..0560883b9c8 100644
--- a/PWGJE/Tasks/jetSpectraCharged.cxx
+++ b/PWGJE/Tasks/jetSpectraCharged.cxx
@@ -531,10 +531,7 @@ struct JetSpectraCharged {
                          aod::JetMcCollisions const&,
                          soa::Filtered<soa::Join<aod::JetTracks, aod::JTrackExtras>> const& tracks)
   {
-    if (!collision.has_mcCollision()) { // the collision is fake and has no associated mc coll; skip as .mccollision() cannot be called
-      return;
-    }
-    float eventWeight = collision.mcCollision().weight();
+    float eventWeight = collision.weight();
     if (!jetderiveddatautilities::selectCollision(collision, eventSelectionBits, skipMBGapEvents)) {
       return;
     }
@@ -552,6 +549,9 @@ struct JetSpectraCharged {
 
   void processCollisions(soa::Filtered<aod::JetCollisions>::iterator const& collision)
   {
+    if (!collision.has_mcCollision()) {
+      registry.fill(HIST("h_fakecollisions"), 0.5);
+    }
     registry.fill(HIST("h_collisions"), 0.5);
     if (!jetderiveddatautilities::selectCollision(collision, eventSelectionBits, skipMBGapEvents)) {
       return;
@@ -569,11 +569,10 @@ struct JetSpectraCharged {
   void processCollisionsWeighted(soa::Join<aod::JetCollisions, aod::JMcCollisionLbs>::iterator const& collision,
                                  aod::JetMcCollisions const&)
   {
-    if (!collision.has_mcCollision()) { // the collision is fake and has no associated mc coll; skip as .mccollision() cannot be called
+    if (!collision.has_mcCollision()) {
       registry.fill(HIST("h_fakecollisions"), 0.5);
-      return;
     }
-    float eventWeight = collision.mcCollision().weight();
+    float eventWeight = collision.weight();
     registry.fill(HIST("h_collisions"), 0.5);
     registry.fill(HIST("h_collisions_weighted"), 0.5, eventWeight);
     if (!jetderiveddatautilities::selectCollision(collision, eventSelectionBits, skipMBGapEvents)) {