diff --git a/src/io/io.f90 b/src/io/io.f90
index 2892d5336..92924d458 100644
--- a/src/io/io.f90
+++ b/src/io/io.f90
@@ -671,7 +671,8 @@ module subroutine io_param_reader(self, unit, iotype, v_list, iostat, iomsg)
                   else if (param_value == "YES" .or. param_value == 'T') then
                      param%lrestart = .true.
                   end if 
-               case ("NPLMAX", "NTPMAX", "GMTINY", "MIN_GMFRAG", "FRAGMENTATION", "SEED", "YARKOVSKY", "YORP") ! Ignore SyMBA-specific, not-yet-implemented, or obsolete input parameters
+               ! Ignore SyMBA-specific, not-yet-implemented, or obsolete input parameters
+               case ("NPLMAX", "NTPMAX", "GMTINY", "MIN_GMFRAG", "FRAGMENTATION", "SEED", "YARKOVSKY", "YORP", "ENCOUNTER_SAVE", "FRAGMENTATION_SAVE") 
                case default
                   write(*,*) "Ignoring unknown parameter -> ",param_name
                end select
diff --git a/src/setup/setup.f90 b/src/setup/setup.f90
index e95505b9b..ea6d3db23 100644
--- a/src/setup/setup.f90
+++ b/src/setup/setup.f90
@@ -68,6 +68,7 @@ module subroutine setup_construct_system(system, param)
             allocate(symba_pltpenc :: system%pltpenc_list)
             allocate(symba_plplenc :: system%plplenc_list)
             allocate(symba_plplenc :: system%plplcollision_list)
+            allocate(symba_encounter_storage :: system%encounter_history)
          end select
       case (RINGMOONS)
          write(*,*) 'RINGMOONS-SyMBA integrator not yet enabled'
diff --git a/src/symba/symba_io.f90 b/src/symba/symba_io.f90
index 0300c6dc5..f11863059 100644
--- a/src/symba/symba_io.f90
+++ b/src/symba/symba_io.f90
@@ -301,8 +301,8 @@ module subroutine symba_io_param_reader(self, unit, iotype, v_list, iostat, ioms
             iostat = -1
             return
          end if
-         param%lencounter_save = (param%encounter_save /= "TRAJECTORY") .or. (param%encounter_save /= "CLOSEST") .or. &
-                                 (param%fragmentation_save /= "TRAJECTORY") .or. (param%fragmentation_save /= "CLOSEST") 
+         param%lencounter_save = (param%encounter_save == "TRAJECTORY") .or. (param%encounter_save == "CLOSEST") .or. &
+                                 (param%fragmentation_save == "TRAJECTORY") .or. (param%fragmentation_save == "CLOSEST") 
 
          ! Call the base method (which also prints the contents to screen)
          call io_param_reader(param, unit, iotype, v_list, iostat, iomsg) 
@@ -367,8 +367,8 @@ module subroutine symba_io_start_encounter(self, param, t)
       class(symba_parameters),    intent(inout) :: param !! Current run configuration parameters 
       real(DP),                   intent(in)    :: t     !! Current simulation time
 
-      if (allocated(self%encounter_history)) deallocate(self%encounter_history)
-      allocate(symba_encounter_storage :: self%encounter_history)
+      if (.not. allocated(self%encounter_history)) allocate(symba_encounter_storage :: self%encounter_history)
+      call self%encounter_history%reset()
 
       ! Take the snapshot at the start of the encounter
       call self%snapshot(param, t) 
@@ -390,7 +390,6 @@ module subroutine symba_io_stop_encounter(self, param, t)
       ! Take the final snapshot
       call self%snapshot(param, t)
       call self%encounter_history%dump(param)
-      deallocate(self%encounter_history)
 
       return
    end subroutine symba_io_stop_encounter
diff --git a/src/symba/symba_step.f90 b/src/symba/symba_step.f90
index bdf73309b..e727ed9f3 100644
--- a/src/symba/symba_step.f90
+++ b/src/symba/symba_step.f90
@@ -315,8 +315,6 @@ module subroutine symba_step_reset_system(self, param)
                   tp%lfirst = param%lfirstkick
                   pl%lfirst = param%lfirstkick
 
-                  call system%encounter_history%reset()
-
                end associate
             end select
          end select