diff --git a/src/libopensc/card-miocos.c b/src/libopensc/card-miocos.c
index ad8add74..16126499 100644
--- a/src/libopensc/card-miocos.c
+++ b/src/libopensc/card-miocos.c
@@ -383,7 +383,7 @@ static int miocos_select_file(sc_card_t *card,
 	r = iso_ops->select_file(card, in_path, file);
 	if (r)
 		return r;
-	if (file != NULL) {
+	if (file != NULL && *file != NULL) {
 		parse_sec_attr(*file, (*file)->sec_attr, (*file)->sec_attr_len);
 		miocos_get_acl(card, *file);
 	}