diff --git a/src/tally.F90 b/src/tally.F90
index af6d93e738..663cb25b85 100644
--- a/src/tally.F90
+++ b/src/tally.F90
@@ -1558,4 +1558,22 @@ contains
 
   end subroutine tally_statistics
 
+!==============================================================================
+! TALLY_RESET resets all of the user-defined tallies
+!==============================================================================
+
+  subroutine tally_reset()
+
+    integer :: i ! index in tallies array
+    type(TallyObject), pointer :: t => null()
+
+    ! reset sum and sum_sq
+    do i = 1, n_tallies
+      t => tallies(i)
+      t % scores % sum = 0.0_8
+      t % scores % sum_sq = 0.0_8
+    end do 
+
+  end subroutine tally_reset
+
 end module tally