diff --git a/components/Party/index.tsx b/components/Party/index.tsx
index be92ea5f..fa20c988 100644
--- a/components/Party/index.tsx
+++ b/components/Party/index.tsx
@@ -57,9 +57,11 @@ const Party = (props: Props) => {
     }
 
     // Methods: Updating the party's extra flag
-    // Note: This doesn't save to the server yet.
     function checkboxChanged(event: React.ChangeEvent<HTMLInputElement>) {
         setHasExtra(event.target.checked)
+        api.endpoints.parties.update(id, {
+            'party': { 'is_extra': event.target.checked }
+        }, headers)
     }
 
     // Methods: Navigating with segmented control
diff --git a/utils/api.tsx b/utils/api.tsx
index 89203821..f1cc9c85 100644
--- a/utils/api.tsx
+++ b/utils/api.tsx
@@ -8,13 +8,14 @@ type CollectionEndpoint = ({ query }: { query: AxiosRequestConfig }) => Promise<
 type IdEndpoint = ({ id }: { id: string }) => Promise<AxiosResponse<any>>
 type IdWithObjectEndpoint = ({ id, object }: { id: string, object: string }) => Promise<AxiosResponse<any>>
 type PostEndpoint = (object: {}, headers?: {}) => Promise<AxiosResponse<any>>
+type PutEndpoint  = (id: string, object: {}, headers?: {}) => Promise<AxiosResponse<any>>
 
 interface EndpointMap {
     getAll: CollectionEndpoint
     getOne: IdEndpoint
     getOneWithObject: IdWithObjectEndpoint
     create: PostEndpoint
-    update: PostEndpoint
+    update: PutEndpoint
     destroy: IdEndpoint
 }
 
@@ -43,7 +44,7 @@ class Api {
             getOne:  ({ id }: { id: string }) => axios.get(`${resourceUrl}/${id}/`),
             getOneWithObject:  ({ id, object }: { id: string, object: string }) => axios.get(`${resourceUrl}/${id}/${object}`),
             create:  (object: {}, headers?: {}) => axios.post(resourceUrl, object, headers),
-            update:  (object: {}, headers?: {}) => axios.put(resourceUrl, object, headers),
+            update:  (id: string, object: {}, headers?: {}) => axios.put(`${resourceUrl}/${id}`, object, headers),
             destroy: ({ id }: { id: string }) => axios.delete(`${resourceUrl}/${id}`)
         } as EndpointMap
     }