diff --git a/src/components/Instance/index.tsx b/src/components/Instance/index.tsx
index 39718ce0..9b53312d 100644
--- a/src/components/Instance/index.tsx
+++ b/src/components/Instance/index.tsx
@@ -184,7 +184,7 @@ const ComponentInstance: React.FC<Props> = ({
         )
 
         if (!account) {
-          setGlobalStorage('accounts', accounts?.concat([accountKey]))
+          setGlobalStorage('accounts', (accounts || []).concat([accountKey]))
         }
         setAccount(accountKey)
 
diff --git a/src/screens/Compose/Root/Header/PostingAs.tsx b/src/screens/Compose/Root/Header/PostingAs.tsx
index cc79dbbe..4079b0ab 100644
--- a/src/screens/Compose/Root/Header/PostingAs.tsx
+++ b/src/screens/Compose/Root/Header/PostingAs.tsx
@@ -7,8 +7,8 @@ import { useTranslation } from 'react-i18next'
 import { View } from 'react-native'
 
 const ComposePostingAs = () => {
-  const accounts = useGlobalStorage.object('accounts')
-  if (!accounts.length) return null
+  const [accounts] = useGlobalStorage.object('accounts')
+  if (!accounts?.length) return null
 
   const { t } = useTranslation('screenCompose')
   const { colors } = useTheme()