diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index e4967a9bd2..599a964a57 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -8090,8 +8090,8 @@ function wp_cache_set_last_changed( $group ) {
 function wp_site_admin_email_change_notification( $old_email, $new_email, $option_name ) {
 	$send = true;
 
-	// Don't send the notification to the default 'admin_email' value.
-	if ( 'you@example.com' === $old_email ) {
+	// Don't send the notification to the default 'admin_email' value or an empty value.
+	if ( 'you@example.com' === $old_email || empty( $old_email ) ) {
 		$send = false;
 	}
 
diff --git a/wp-includes/ms-functions.php b/wp-includes/ms-functions.php
index 1f890dab69..b3fc55a6d3 100644
--- a/wp-includes/ms-functions.php
+++ b/wp-includes/ms-functions.php
@@ -2869,8 +2869,8 @@ All at ###SITENAME###
 function wp_network_admin_email_change_notification( $option_name, $new_email, $old_email, $network_id ) {
 	$send = true;
 
-	// Don't send the notification to the default 'admin_email' value.
-	if ( 'you@example.com' === $old_email ) {
+	// Don't send the notification to the default 'admin_email' value or an empty value.
+	if ( 'you@example.com' === $old_email || empty( $old_email ) ) {
 		$send = false;
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e31409f970..38e2853097 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.9-alpha-60128';
+$wp_version = '6.9-alpha-60129';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.