diff --git a/ui/src/routes/WorkingHours.svelte b/ui/src/routes/WorkingHours.svelte
index 441c32a..fae987b 100644
--- a/ui/src/routes/WorkingHours.svelte
+++ b/ui/src/routes/WorkingHours.svelte
@@ -22,6 +22,7 @@
                     return res.json();
                 })
                 .then(data => {
+                    activeRecord = null;
                     params.records = data;
                     params.isLoading = false;
                 })
@@ -41,6 +42,37 @@
                 })
                 .then(data => {
                     activeRecord = data;
+                    if (date === null) {
+                        Records.browse();
+                    }
+                })
+                .catch(err => {
+                    console.log(err);
+                });
+        },
+        'update': (date, record) => {
+            console.log(record);
+            // noinspection JSUnresolvedVariable
+            fetch(env.API_URL + '/working-hours/' + date, {
+                method: 'PUT',
+                mode: 'no-cors',
+                cache: 'no-cache',
+                credentials: 'same-origin',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                redirect: 'follow',
+                referrerPolicy: 'no-referrer',
+                body: JSON.stringify(record)
+            })
+                .then(res => {
+                    if (!res.ok) {
+                        throw new Error('Fail!');
+                    }
+                })
+                .then(() => {
+                    activeRecord = null;
+                    Records.browse();
                 })
                 .catch(err => {
                     console.log(err);
@@ -103,8 +135,12 @@
                     </div>
                 </fieldset>
                 <fieldset name="buttons">
-                    <button>Übernehmen <IconifyIcon icon={checkIcon} color="green" /></button>
-                    <button on:click={() => Records.read(null)}>Abbrechen <IconifyIcon icon={xIcon} /></button>
+                    <button on:click={() => Records.update(activeRecord.workingDay, activeRecord)}>Übernehmen
+                        <IconifyIcon icon={checkIcon} color="green"/>
+                    </button>
+                    <button on:click={() => Records.read(null)}>Abbrechen
+                        <IconifyIcon icon={xIcon}/>
+                    </button>
                 </fieldset>
             </form>
         </article>