diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 4a46beb670de8..329a2fa57c08d 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -7174,6 +7174,13 @@ public final class Settings {
          */
         public static final String CREDENTIAL_SERVICE = "credential_service";
 
+        /**
+         * The currently selected primary credential service flattened ComponentName.
+         *
+         * @hide
+         */
+        public static final String CREDENTIAL_SERVICE_PRIMARY = "credential_service_primary";
+
         /**
          * The currently selected autofill service flattened ComponentName.
          * @hide
diff --git a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
index 706666cbebabf..2e49dd5eeba9f 100644
--- a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
+++ b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
@@ -841,7 +841,8 @@ public class SettingsBackupTest {
                  Settings.Secure.ACCESSIBILITY_SHOW_WINDOW_MAGNIFICATION_PROMPT,
                  Settings.Secure.ACCESSIBILITY_FLOATING_MENU_MIGRATION_TOOLTIP_PROMPT,
                  Settings.Secure.UI_TRANSLATION_ENABLED,
-                 Settings.Secure.CREDENTIAL_SERVICE);
+                 Settings.Secure.CREDENTIAL_SERVICE,
+                 Settings.Secure.CREDENTIAL_SERVICE_PRIMARY);
 
     @Test
     public void systemSettingsBackedUpOrDenied() {