diff --git a/src/processor/processor_tracker.cpp b/src/processor/processor_tracker.cpp
index 988b8066864fb03c9fab5a3dc9e21869000dfd25..75659594a9af9cff6da09e9eae9c62ce8d974c83 100644
--- a/src/processor/processor_tracker.cpp
+++ b/src/processor/processor_tracker.cpp
@@ -159,6 +159,8 @@ void ProcessorTracker::processCapture(CaptureBasePtr _incoming_ptr)
         }
         case RUNNING_WITHOUT_PACK :
         {
+            WOLF_DEBUG( "PT ", getName(), " RUNNING_WITHOUT_PACK");
+
             processKnown();
 
             if (voteForKeyFrame() && permittedKeyFrame())
@@ -210,12 +212,14 @@ void ProcessorTracker::processCapture(CaptureBasePtr _incoming_ptr)
                 getProblem()->auxFrameCallback(last_ptr_->getFrame(), std::static_pointer_cast<ProcessorBase>(shared_from_this()), params_tracker_->time_tolerance);
 
                 // Advance this
+                advanceDerived();
+
+                // Replace last frame for a new one in incoming
                 last_ptr_->getFrame()->addCapture(incoming_ptr_); // Add incoming Capture to the tracker's last Frame
                 // do not remove! last_ptr_->remove();
                 incoming_ptr_->getFrame()->setTimeStamp(incoming_ptr_->getTimeStamp());
 
                 // Update pointers
-                advanceDerived();
                 last_ptr_   = incoming_ptr_;
                 incoming_ptr_ = nullptr;
             }*/
@@ -224,14 +228,16 @@ void ProcessorTracker::processCapture(CaptureBasePtr _incoming_ptr)
                 // We do not create a KF
 
                 // Advance this
+                advanceDerived();
+
+                // Replace last frame for a new one in incoming
                 FrameBasePtr frm = getProblem()->emplaceFrame(NON_ESTIMATED, last_ptr_->getFrame()->getState(), incoming_ptr_->getTimeStamp());
                 incoming_ptr_->link(frm);
                 last_ptr_->getFrame()->remove(); // implicitly calling last_ptr_->remove();
 
                 // Update pointers
-                advanceDerived();
-                last_ptr_   = incoming_ptr_;
-                incoming_ptr_ = nullptr;
+                last_ptr_       = incoming_ptr_;
+                incoming_ptr_   = nullptr;
             }
             break;
         }