diff --git a/src/util/util_resize.f90 b/src/util/util_resize.f90
index e76d53a8d..7ba7e19df 100644
--- a/src/util/util_resize.f90
+++ b/src/util/util_resize.f90
@@ -150,9 +150,16 @@ module subroutine util_resize_arr_info(arr, nnew)
       ! Internals
       class(swiftest_particle_info), dimension(:), allocatable :: tmp !! Temporary storage array in case the input array is already allocated
       integer(I4B) :: nold !! Old size
+      logical :: is_symba
 
       if (.not. allocated(arr) .or. nnew < 0) return
 
+      select type(arr)
+      class is (symba_particle_info)
+         is_symba = .true.
+      class default
+         is_symba = .false.
+      end select
       nold = size(arr)
       if (nnew == nold) return
 
@@ -160,8 +167,12 @@ module subroutine util_resize_arr_info(arr, nnew)
          deallocate(arr)
          return
       end if
-      
-      allocate(tmp(nnew))
+    
+      if (is_symba) then
+         allocate(symba_particle_info :: tmp(nnew))
+      else
+         allocate(swiftest_particle_info :: tmp(nnew))
+      end if
       if (nnew > nold) then
          tmp(1:nold) = arr(1:nold)
       else