diff --git a/src/API/Base.php b/src/API/Base.php
index 3d39a6ec3..8ca1d3ab9 100644
--- a/src/API/Base.php
+++ b/src/API/Base.php
@@ -803,6 +803,6 @@ public static function get_available_discounts( $advertiser_id ) {
 	 */
 	public static function get_list_of_ads_supported_countries() {
 		$request_url = 'advertisers/countries';
-		return self::make_request( $request_url, 'GET', array(), 'ads', DAY_IN_SECONDS );
+		return self::make_request( $request_url, 'GET', array(), 'ads', 2 * DAY_IN_SECONDS );
 	}
 }