1 files changed, 3 insertions, 3 deletions
diff --git a/wp-includes/query.php b/wp-includes/query.php
index 04a07df..01a28a9 100644
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -794,16 +794,16 @@ class WP_Query {
 			$in_cats = substr($in_cats, 0, -2);
 			$out_cats = substr($out_cats, 0, -2);
 			if ( strlen($in_cats) > 0 )
-				$in_cats = " AND category_id IN ($in_cats)";
+				$in_cats = " AND $wpdb->post2cat.category_id IN ($in_cats)";
 			if ( strlen($out_cats) > 0 ) {
-				$ids = $wpdb->get_col("SELECT post_id FROM $wpdb->post2cat WHERE category_id IN ($out_cats)");
+				$ids = $wpdb->get_col("SELECT post_id FROM $wpdb->post2cat WHERE $wpdb->post2cat.category_id IN ($out_cats)");
 				if ( is_array($ids) && count($ids > 0) ) {
 					foreach ( $ids as $id )
 						$out_posts .= "$id, ";
 					$out_posts = substr($out_posts, 0, -2);
 				}
 				if ( strlen($out_posts) > 0 )
-					$out_cats = " AND ID NOT IN ($out_posts)";
+					$out_cats = " AND $wpdb->posts.ID NOT IN ($out_posts)";
 				else
 					$out_cats = '';
 			}