diff --git a/src/util/util_append.f90 b/src/util/util_append.f90
index 979da7a19..cb15fa18c 100644
--- a/src/util/util_append.f90
+++ b/src/util/util_append.f90
@@ -177,10 +177,9 @@ module subroutine util_append_body(self, source, lsource_mask)
          call util_append(self%capom, source%capom, nold, nsrc, lsource_mask)
          call util_append(self%omega, source%omega, nold, nsrc, lsource_mask)
          call util_append(self%capm, source%capm, nold, nsrc, lsource_mask)
+         self%nbody = nold + count(lsource_mask(:))
       end associate
 
-      self%nbody = count(self%status(:) /= INACTIVE)
-
       return
    end subroutine util_append_body