diff --git a/python/swiftest/swiftest/simulation_class.py b/python/swiftest/swiftest/simulation_class.py
index ea35bae91..e5e71a943 100644
--- a/python/swiftest/swiftest/simulation_class.py
+++ b/python/swiftest/swiftest/simulation_class.py
@@ -2774,7 +2774,6 @@ def _preprocess(ds, param):
         return
 
 
-
     def follow(self, codestyle="Swifter"):
         """
         An implementation of the Swift tool_follow algorithm. Under development. Currently only for Swift simulations. 
diff --git a/src/symba/symba_io.f90 b/src/symba/symba_io.f90
index 5c4069a26..93c4556e5 100644
--- a/src/symba/symba_io.f90
+++ b/src/symba/symba_io.f90
@@ -395,6 +395,7 @@ module subroutine symba_io_stop_encounter(self, param, t)
       call self%encounter_history%nc%initialize(param)
       call self%encounter_history%dump(param)
       call self%encounter_history%nc%close()
+      call self%encounter_history%reset()
 
       return
    end subroutine symba_io_stop_encounter