diff --git a/app/_layout.tsx b/app/_layout.tsx
index ff40419..546a679 100644
--- a/app/_layout.tsx
+++ b/app/_layout.tsx
@@ -121,10 +121,16 @@ function AuthenticatedLayout() {
 }
 
 function UnauthenticatedLayout() {
+  const paperTheme = usePaperTheme();
+
   return (
-    <Stack>
-      <Stack.Screen name="sign-in" options={{ headerShown: false }} />
-    </Stack>
+    <ThemeProvider
+      value={paperTheme.theme === "dark" ? DarkTheme : DefaultTheme}
+    >
+      <Stack>
+        <Stack.Screen name="sign-in" options={{ headerShown: false }} />
+      </Stack>
+    </ThemeProvider>
   );
 }