diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/models/RecentCall.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/models/RecentCall.kt
index 100a7caf..c82f48e1 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/models/RecentCall.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/models/RecentCall.kt
@@ -2,8 +2,12 @@ package com.simplemobiletools.dialer.models
 
 import android.telephony.PhoneNumberUtils
 import com.simplemobiletools.commons.extensions.normalizePhoneNumber
+import java.io.Serializable
 
-// model used at displaying recent calls, for contacts with multiple numbers specifify the number and type
+/**
+ * Used at displaying recent calls.
+ * For contacts with multiple numbers specify the number and type
+ */
 data class RecentCall(
     val id: Int,
     val phoneNumber: String,
@@ -17,7 +21,7 @@ data class RecentCall(
     val specificNumber: String,
     val specificType: String,
     val isUnknownNumber: Boolean,
-) {
+) : Serializable {
     fun doesContainPhoneNumber(text: String): Boolean {
         val normalizedText = text.normalizePhoneNumber()
         return PhoneNumberUtils.compare(phoneNumber.normalizePhoneNumber(), normalizedText) ||
@@ -25,4 +29,5 @@ data class RecentCall(
             phoneNumber.normalizePhoneNumber().contains(normalizedText) ||
             phoneNumber.contains(normalizedText)
     }
+
 }