diff --git a/packages/cloud_firestore/cloud_firestore/android/src/main/java/io/flutter/plugins/firebase/firestore/FlutterFirebaseFirestorePlugin.java b/packages/cloud_firestore/cloud_firestore/android/src/main/java/io/flutter/plugins/firebase/firestore/FlutterFirebaseFirestorePlugin.java
index 9cd20ba0b12d..1b141438c382 100644
--- a/packages/cloud_firestore/cloud_firestore/android/src/main/java/io/flutter/plugins/firebase/firestore/FlutterFirebaseFirestorePlugin.java
+++ b/packages/cloud_firestore/cloud_firestore/android/src/main/java/io/flutter/plugins/firebase/firestore/FlutterFirebaseFirestorePlugin.java
@@ -279,10 +279,15 @@ static FirebaseFirestoreSettings getSettingsFromPigeon(
     }
     if (pigeonApp.getSettings().getPersistenceEnabled() != null) {
       if (pigeonApp.getSettings().getPersistenceEnabled()) {
+        Long receivedCacheSizeBytes = pigeonApp.getSettings().getCacheSizeBytes();
+        // This is the maximum amount of cache allowed:
+        // https://firebase.google.com/docs/firestore/manage-data/enable-offline#configure_cache_size
+        Long cacheSizeBytes = 104857600L;
+        if (receivedCacheSizeBytes != null && receivedCacheSizeBytes != -1) {
+          cacheSizeBytes = receivedCacheSizeBytes;
+        }
         builder.setLocalCacheSettings(
-            PersistentCacheSettings.newBuilder()
-                .setSizeBytes(pigeonApp.getSettings().getCacheSizeBytes())
-                .build());
+            PersistentCacheSettings.newBuilder().setSizeBytes(cacheSizeBytes).build());
       } else {
         builder.setLocalCacheSettings(MemoryCacheSettings.newBuilder().build());
       }
diff --git a/packages/cloud_firestore/cloud_firestore/example/lib/main.dart b/packages/cloud_firestore/cloud_firestore/example/lib/main.dart
index de0de2122efe..05de981c19a4 100755
--- a/packages/cloud_firestore/cloud_firestore/example/lib/main.dart
+++ b/packages/cloud_firestore/cloud_firestore/example/lib/main.dart
@@ -15,7 +15,9 @@ bool shouldUseFirestoreEmulator = false;
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
   await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
-
+  FirebaseFirestore.instance.settings = const Settings(
+    persistenceEnabled: true,
+  );
   if (shouldUseFirestoreEmulator) {
     FirebaseFirestore.instance.useFirestoreEmulator('localhost', 8080);
   }