diff --git a/.changelog/1012.bugfix.md b/.changelog/1012.bugfix.md
new file mode 100644
index 000000000..ea449891f
--- /dev/null
+++ b/.changelog/1012.bugfix.md
@@ -0,0 +1 @@
+Prevent app crash when rendering new event types
diff --git a/playwright/tests/accounts.spec.ts b/playwright/tests/accounts.spec.ts
new file mode 100644
index 000000000..8e718b0fd
--- /dev/null
+++ b/playwright/tests/accounts.spec.ts
@@ -0,0 +1,123 @@
+import { Page, expect, test } from '@playwright/test'
+import { RuntimeAccount, RuntimeEventList } from '../../src/oasis-nexus/api'
+
+async function setup(page: Page) {
+  await page.route(
+    'https://api.coingecko.com/api/v3/simple/price?ids=oasis-network&vs_currencies=usd',
+    route => {
+      // Don't respond
+    },
+  )
+  await page.route('**/v1/', route => {
+    // Don't respond
+  })
+  await page.route('**/v1/sapphire/status', route => {
+    // Don't respond
+  })
+  await page.route(
+    '**/v1/sapphire/transactions?limit=10&offset=0&rel=oasis1qq2v39p9fqk997vk6742axrzqyu9v2ncyuqt8uek',
+    route => {
+      route.fulfill({
+        body: JSON.stringify({
+          is_total_count_clipped: false,
+          total_count: 0,
+          transactions: [],
+        }),
+      })
+    },
+  )
+  await page.route('**/v1/sapphire/accounts/oasis1qq2v39p9fqk997vk6742axrzqyu9v2ncyuqt8uek', route => {
+    route.fulfill({
+      body: JSON.stringify({
+        address: 'oasis1qq2v39p9fqk997vk6742axrzqyu9v2ncyuqt8uek',
+        balances: [
+          {
+            balance: '116404417198000000000',
+            token_decimals: 18,
+            token_symbol: 'TEST',
+          },
+        ],
+        evm_balances: [],
+        stats: {
+          num_txns: 0,
+          total_received: '0',
+          total_sent: '0',
+        },
+      } satisfies Partial<RuntimeAccount>),
+    })
+  })
+  await page.route('**/v1/sapphire/events?rel=oasis1qq2v39p9fqk997vk6742axrzqyu9v2ncyuqt8uek', route => {
+    route.fulfill({
+      body: JSON.stringify({
+        is_total_count_clipped: false,
+        total_count: 3,
+        events: [
+          {
+            body: {
+              amount: {
+                Amount: '100000000000000000000',
+                Denomination: '',
+              },
+              from: 'oasis1qq235lqj77855qcemcr5w2qm372s4amqcc4v3ztc',
+              nonce: 29,
+              to: 'oasis1qrwncs459lauc77zw23efdn9dmfcp23cxv095l5z',
+            },
+            evm_log_name: '',
+            round: 3038913,
+            timestamp: '2023-10-16T13:13:47Z',
+            tx_hash: null,
+            type: 'consensus_accounts.delegate',
+            layer: 'sapphire',
+            network: 'testnet',
+          },
+          {
+            body: {
+              debond_end_time: 30013,
+              from: 'oasis1qrwncs459lauc77zw23efdn9dmfcp23cxv095l5z',
+              nonce: 30,
+              shares: '100',
+              to: 'oasis1qq235lqj77855qcemcr5w2qm372s4amqcc4v3ztc',
+            },
+            evm_log_name: '',
+            round: 3038944,
+            timestamp: '2023-10-16T13:18:23Z',
+            tx_hash: null,
+            type: 'consensus_accounts.undelegate_start',
+            layer: 'sapphire',
+            network: 'testnet',
+          },
+          {
+            body: {
+              amount: {
+                Amount: '100000281888000000000',
+                Denomination: '',
+              },
+              from: 'oasis1qrwncs459lauc77zw23efdn9dmfcp23cxv095l5z',
+              shares: '100000281888',
+              to: 'oasis1qq235lqj77855qcemcr5w2qm372s4amqcc4v3ztc',
+            },
+            evm_log_name: '',
+            round: 3216917,
+            timestamp: '2023-10-29T09:06:05Z',
+            tx_hash: null,
+            type: 'consensus_accounts.undelegate_done',
+            layer: 'sapphire',
+            network: 'testnet',
+          },
+        ],
+      } satisfies Partial<RuntimeEventList>),
+    })
+  })
+
+  await page.goto('http://localhost:1234/mainnet/sapphire/address/0x0000000000000000000000000000000000000000')
+}
+
+test.describe('Account details page', () => {
+  test('does not crash when rendering new event types', async ({ page }) => {
+    await setup(page)
+    await expect(page.getByText('Unknown error')).not.toBeVisible()
+    await expect(page.getByText('Delegate to consensus')).toBeVisible()
+    await expect(page.getByText('Start to undelegate from consensus')).toBeVisible()
+    await expect(page.getByText('Undelegate from consensus finished')).toBeVisible()
+  })
+})
diff --git a/src/app/components/RuntimeEvents/RuntimeEventDetails.tsx b/src/app/components/RuntimeEvents/RuntimeEventDetails.tsx
index 0858c8eed..a283dc0c6 100644
--- a/src/app/components/RuntimeEvents/RuntimeEventDetails.tsx
+++ b/src/app/components/RuntimeEvents/RuntimeEventDetails.tsx
@@ -264,13 +264,18 @@ export const RuntimeEventDetails: FC<{
               />
               {addressSwitchOption === AddressSwitchOption.Oasis && <CopyToClipboard value={event.body.to} />}
             </dd>
-            <dt>{t('runtimeEvent.fields.amount')}</dt>
-            <dd>
-              {t('common.valueInToken', {
-                ...getPreciseNumberFormat(event.body.amount.Amount),
-                ticker: event.body.amount.Denomination,
-              })}
-            </dd>
+            {/* TODO check is needed because some consensus events temporarily use this for rendering */}
+            {event.body.amount?.Amount && event.body.amount?.Denomination && (
+              <>
+                <dt>{t('runtimeEvent.fields.amount')}</dt>
+                <dd>
+                  {t('common.valueInToken', {
+                    ...getPreciseNumberFormat(event.body.amount.Amount),
+                    ticker: event.body.amount.Denomination,
+                  })}
+                </dd>
+              </>
+            )}
           </StyledDescriptionList>
         </div>
       )