diff --git a/classes/feeds.php b/classes/feeds.php
index c31f4b676..6a16cd85b 100755
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -1698,7 +1698,7 @@ class Feeds extends Handler_Protected {
 
 			if (DB_TYPE == "pgsql") {
 				$sanity_interval_qpart = "date_entered >= NOW() - INTERVAL '1 hour' AND";
-				$yyiw_qpart = "to_char(date_entered, 'YYYY-IW') AS yyiw";
+				$yyiw_qpart = "to_char(date_entered, 'IYYY-IW') AS yyiw";
 			} else {
 				$sanity_interval_qpart = "date_entered >= DATE_SUB(NOW(), INTERVAL 1 hour) AND";
 				$yyiw_qpart = "concat(year(date_entered),lpad(weekofyear(date_entered), 2, '0')) AS yyiw";