diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/helpers/CallManager.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/helpers/CallManager.kt
index b1d18b8f..464d10ac 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/helpers/CallManager.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/helpers/CallManager.kt
@@ -55,7 +55,12 @@ class CallManager {
         fun getCallContact(context: Context, callback: (CallContact?) -> Unit) {
             ensureBackgroundThread {
                 val callContact = CallContact("", "", "")
-                val handle = call?.details?.handle?.toString()
+                val handle = try {
+                    call?.details?.handle?.toString()
+                } catch (e: NullPointerException) {
+                    null
+                }
+
                 if (handle == null) {
                     callback(callContact)
                     return@ensureBackgroundThread
diff --git a/build.gradle b/build.gradle
index e38e072d..6129fadb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.2'
+        classpath 'com.android.tools.build:gradle:7.0.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong