diff --git a/src/components/list/partials/filters.vue b/src/components/list/partials/filters.vue
index 1ffba269a..3a168b3eb 100644
--- a/src/components/list/partials/filters.vue
+++ b/src/components/list/partials/filters.vue
@@ -282,7 +282,7 @@ export default {
 	computed: {
 		sortAlphabetically: {
 			get() {
-				return this.params.sort_by.find(sortBy => sortBy === ALPHABETICAL_SORT) !== undefined
+				return this.params?.sort_by?.find(sortBy => sortBy === ALPHABETICAL_SORT) !== undefined
 			},
 			set(sortAlphabetically) {
 				this.params.sort_by	= sortAlphabetically