diff --git a/app/src/components/v-checkbox-tree/v-checkbox-tree-checkbox.vue b/app/src/components/v-checkbox-tree/v-checkbox-tree-checkbox.vue
index 75e4fc732b..56dbfe1617 100644
--- a/app/src/components/v-checkbox-tree/v-checkbox-tree-checkbox.vue
+++ b/app/src/components/v-checkbox-tree/v-checkbox-tree-checkbox.vue
@@ -122,7 +122,7 @@ const treeValue = computed({
 		const added = difference(newValue, props.modelValue);
 		const removed = difference(props.modelValue, newValue);
 
-		if (props.children.length > 0) {
+		if (Array.isArray(props.children) && props.children.length > 0) {
 			switch (props.valueCombining) {
 				case 'all':
 					return emitAll(newValue, { added, removed });