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-rw-r--r--src/geometry.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/geometry.c b/src/geometry.c
index 07c49ecc..f58f21e1 100644
--- a/src/geometry.c
+++ b/src/geometry.c
@@ -318,7 +318,7 @@ static void select_scalable_reflections(RefList *list, ReflItemList *sc_l)
get_indices(refl, &h, &k, &l); /* Should already be
* asymmetric */
- if ( !find_item(sc_l, h, k, l) ) {
+ if ( (sc_l != NULL) && (!find_item(sc_l, h, k, l)) ) {
add_item(sc_l, h, k, l);
}