diff --git a/projects/plugins/boost/app/data-sync/Cornerstone_Pages_Entry.php b/projects/plugins/boost/app/data-sync/Cornerstone_Pages_Entry.php
index 3bb5cd880f785..79a4537469020 100644
--- a/projects/plugins/boost/app/data-sync/Cornerstone_Pages_Entry.php
+++ b/projects/plugins/boost/app/data-sync/Cornerstone_Pages_Entry.php
@@ -14,11 +14,12 @@ public function __construct( $option_key ) {
 		$this->option_key = 'jetpack_boost_ds_' . $option_key;
 	}
 
-	public function get( $fallback_value = false ) {
-		if ( $fallback_value !== false ) {
-			$urls = get_option( $this->option_key, $fallback_value );
-		} else {
-			$urls = get_option( $this->option_key );
+	public function get( $fallback_value = array() ) {
+		$urls = get_option( $this->option_key, array() );
+
+		if ( empty( $urls ) && ! empty( $fallback_value ) ) {
+			$urls = $fallback_value;
+			$this->set( $urls );
 		}
 
 		return array_map( array( $this, 'transform_to_absolute' ), $urls );
diff --git a/projects/plugins/boost/app/lib/Cornerstone_Pages.php b/projects/plugins/boost/app/lib/Cornerstone_Pages.php
index c6ea5a35a6bc8..8aa0b0e1378c2 100644
--- a/projects/plugins/boost/app/lib/Cornerstone_Pages.php
+++ b/projects/plugins/boost/app/lib/Cornerstone_Pages.php
@@ -18,7 +18,7 @@ public function setup() {
 	}
 
 	public function register_ds_stores() {
-		$schema = Schema::as_array( Schema::as_string() )->fallback( self::default_pages() );
+		$schema = Schema::as_array( Schema::as_string() )->fallback( $this->default_pages() );
 		jetpack_boost_register_option( 'cornerstone_pages_list', $schema, new Cornerstone_Pages_Entry( 'cornerstone_pages_list' ) );
 		jetpack_boost_register_readonly_option( 'cornerstone_pages_properties', array( $this, 'get_properties' ) );
 	}
diff --git a/projects/plugins/boost/changelog/update-cornerstone-pages-default-value b/projects/plugins/boost/changelog/update-cornerstone-pages-default-value
new file mode 100644
index 0000000000000..b556e34ff7d54
--- /dev/null
+++ b/projects/plugins/boost/changelog/update-cornerstone-pages-default-value
@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Change to an unreleased feature
+
+