diff --git a/api/current.txt b/api/current.txt
index 1443340d0d4ce..265bed1ccd8ed 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -46858,7 +46858,7 @@ package android.telephony {
 
   public static final class CarrierConfigManager.Ims {
     field public static final String KEY_PREFIX = "ims.";
-    field public static final String KEY_WIFI_OFF_DEFERRING_TIME_INT = "ims.wifi_off_deferring_time_int";
+    field public static final String KEY_WIFI_OFF_DEFERRING_TIME_MILLIS_INT = "ims.wifi_off_deferring_time_millis_int";
   }
 
   public abstract class CellIdentity implements android.os.Parcelable {
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 5e600edfb5488..f2c7221f475f7 100755
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -3519,14 +3519,14 @@ public class CarrierConfigManager {
         /**
          * Delay in milliseconds to turn off wifi when IMS is registered over wifi.
          */
-        public static final String KEY_WIFI_OFF_DEFERRING_TIME_INT =
-                KEY_PREFIX + "wifi_off_deferring_time_int";
+        public static final String KEY_WIFI_OFF_DEFERRING_TIME_MILLIS_INT =
+                KEY_PREFIX + "wifi_off_deferring_time_millis_int";
 
         private Ims() {}
 
         private static PersistableBundle getDefaults() {
             PersistableBundle defaults = new PersistableBundle();
-            defaults.putInt(KEY_WIFI_OFF_DEFERRING_TIME_INT, 0);
+            defaults.putInt(KEY_WIFI_OFF_DEFERRING_TIME_MILLIS_INT, 0);
             return defaults;
         }
     }