diff --git a/cookbook/serializer.py b/cookbook/serializer.py
index 118fdd941..124a47bab 100644
--- a/cookbook/serializer.py
+++ b/cookbook/serializer.py
@@ -234,7 +234,7 @@ class MealTypeSerializer(SpacedModelSerializer, WritableNestedModelSerializer):
 
 class UserPreferenceSerializer(WritableNestedModelSerializer):
     food_inherit_default = serializers.SerializerMethodField('get_food_inherit_defaults')
-    plan_share = UserNameSerializer(many=True, allow_null=True, required=False, read_only=True)
+    plan_share = UserNameSerializer(many=True, allow_null=True, required=False)
     shopping_share = UserNameSerializer(many=True, allow_null=True, required=False)
     food_children_exist = serializers.SerializerMethodField('get_food_children_exist')
 
diff --git a/vue/src/apps/RecipeEditView/RecipeEditView.vue b/vue/src/apps/RecipeEditView/RecipeEditView.vue
index e9e98adf5..da2558e30 100644
--- a/vue/src/apps/RecipeEditView/RecipeEditView.vue
+++ b/vue/src/apps/RecipeEditView/RecipeEditView.vue
@@ -1136,7 +1136,7 @@ export default {
                 if (ing.trim() !== "") {
                     this.genericPostAPI("api_ingredient_from_string", {text: ing}).then((result) => {
                         let unit = null
-                        if (result.data.unit !== "") {
+                        if (result.data.unit !== "" && result.data.unit !== null) {
                             unit = {name: result.data.unit}
                         }
                         this.recipe.steps[step].ingredients.splice(order, 0, {