diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt
index 1e335da9..99d2b29c 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt
@@ -564,6 +564,7 @@ class ContactsHelper(val activity: BaseSimpleActivity) {
     }
 
     private fun toggleFavorites(ids: ArrayList<String>, areFavorites: Boolean) {
+        val applyBatchSize = 100
         try {
             val operations = ArrayList<ContentProviderOperation>()
             ids.forEach {
@@ -572,6 +573,10 @@ class ContactsHelper(val activity: BaseSimpleActivity) {
                     withValue(ContactsContract.Contacts.STARRED, if (areFavorites) 1 else 0)
                     operations.add(build())
                 }
+                if (operations.size % applyBatchSize == 0) {
+                    activity.contentResolver.applyBatch(ContactsContract.AUTHORITY, operations)
+                    operations.clear()
+                }
             }
             activity.contentResolver.applyBatch(ContactsContract.AUTHORITY, operations)
         } catch (e: Exception) {