diff --git a/openmc/tallies.py b/openmc/tallies.py
index 67ea53c32..6cc647911 100644
--- a/openmc/tallies.py
+++ b/openmc/tallies.py
@@ -10,7 +10,6 @@ from xml.etree import ElementTree as ET
 import sys
 
 import numpy as np
-import h5py
 
 from openmc import Mesh, Filter, Trigger, Nuclide
 from openmc.cross import CrossScore, CrossNuclide, CrossFilter
@@ -303,6 +302,7 @@ class Tally(object):
             return None
 
         if not self._results_read:
+            import h5py
 
             # Open the HDF5 statepoint file
             f = h5py.File(self._sp_filename, 'r')
diff --git a/src/input_xml.F90 b/src/input_xml.F90
index 40e0583da..8c11fbcf7 100644
--- a/src/input_xml.F90
+++ b/src/input_xml.F90
@@ -2810,6 +2810,10 @@ contains
           ! MOMENT_STRS(:)
           ! If so, check the order, store if OK, then reset the number to 'n'
           score_name = trim(sarray(j))
+
+          ! Append the score to the list of possible trigger scores
+          if (trigger_on) call trigger_scores % add_key(trim(score_name), j)
+
           do imomstr = 1, size(MOMENT_STRS)
             if (starts_with(score_name,trim(MOMENT_STRS(imomstr)))) then
               n_order_pos = scan(score_name,'0123456789')
@@ -3210,11 +3214,8 @@ contains
             end if
 
           end select
-
-          ! Append the score to the list of possible trigger scores
-          if (trigger_on) call trigger_scores % add_key(trim(score_name), l)
-
         end do
+
         t % n_score_bins = n_scores
         t % n_user_score_bins = n_words
 
diff --git a/src/trigger.F90 b/src/trigger.F90
index a74a64be0..73cb0c7ef 100644
--- a/src/trigger.F90
+++ b/src/trigger.F90
@@ -92,7 +92,6 @@ contains
     character(len=52), intent(inout) :: name  ! "eigenvalue" or tally score
 
     integer :: i              ! index in tallies array
-    integer :: j              ! level in tally hierarchy
     integer :: n              ! loop index for nuclides
     integer :: s              ! loop index for triggers
     integer :: filter_index   ! index in results array for filters
@@ -167,28 +166,8 @@ contains
 
             ! Initialize bins, filter level
             matching_bins(1:t % n_filters) = 0
-            j = 1
 
-            ! Find filter index
-            FILTER_LOOP: do
-              find_bin: do
-                if (t % n_filters == 0) exit find_bin
-                matching_bins(j) = matching_bins(j) + 1
-                if (matching_bins(j) > t % filters(j) % n_bins) then
-                  if (j == 1) exit FILTER_LOOP
-                  matching_bins(j) = 0
-                  j = j - 1
-                else
-                  if (j == t % n_filters) exit find_bin
-                end if
-              end do find_bin
-
-              if (t % n_filters > 0) then
-                filter_index = sum((max(matching_bins(1:t%n_filters),1) - 1) * &
-                     t % stride) + 1
-              else
-                filter_index = 1
-              end if
+            FILTER_LOOP: do filter_index = 1, t % total_filter_bins
 
               ! Initialize score index
               score_index = trigger % score_index