diff --git a/telecomm/java/android/telecomm/InCallService.java b/telecomm/java/android/telecomm/InCallService.java
index cbcee752098c5..62a90bc551688 100644
--- a/telecomm/java/android/telecomm/InCallService.java
+++ b/telecomm/java/android/telecomm/InCallService.java
@@ -165,11 +165,13 @@ public abstract class InCallService extends Service {
 
     @Override
     public boolean onUnbind(Intent intent) {
-        Phone oldPhone = mPhone;
-        mPhone = null;
+        if (mPhone != null) {
+            Phone oldPhone = mPhone;
+            mPhone = null;
 
-        oldPhone.destroy();
-        onPhoneDestroyed(oldPhone);
+            oldPhone.destroy();
+            onPhoneDestroyed(oldPhone);
+        }
         return false;
     }