diff --git a/src/components/Nav/Header/Link.tsx b/src/components/Nav/Header/Link.tsx
index 98711721..6bf639b5 100644
--- a/src/components/Nav/Header/Link.tsx
+++ b/src/components/Nav/Header/Link.tsx
@@ -21,7 +21,7 @@ export const Link = (props: Props) => {
   return (
     <li
       onClick={props.onClick}
-      classList={{ 'view-switcher__item--selected': page().route === props.routeName }}
+      classList={{ 'view-switcher__item--selected': page()?.route === props.routeName }}
     >
       <ConditionalWrapper
         condition={!isSelected && Boolean(props.routeName)}
diff --git a/src/graphql/client/core.ts b/src/graphql/client/core.ts
index c80fe931..bd6571c1 100644
--- a/src/graphql/client/core.ts
+++ b/src/graphql/client/core.ts
@@ -178,8 +178,8 @@ export const apiClient = {
     console.debug('[graphql.client.core] createReaction:', response)
     return response.data.create_reaction.reaction
   },
-  destroyReaction: async (id: number) => {
-    const response = await apiClient.private.mutation(reactionDestroy, { id: id }).toPromise()
+  destroyReaction: async (reaction_id: number) => {
+    const response = await apiClient.private.mutation(reactionDestroy, { reaction_id }).toPromise()
     console.debug('[graphql.client.core] destroyReaction:', response)
     return response.data.delete_reaction.reaction
   },