diff --git a/wp-admin/edit-comments.php b/wp-admin/edit-comments.php
index 24982a9cbb..e5b01a65ff 100644
--- a/wp-admin/edit-comments.php
+++ b/wp-admin/edit-comments.php
@@ -244,11 +244,8 @@ $_comment_post_ids = array();
 foreach ( $_comments as $_c ) {
 	$_comment_post_ids[] = $_c->comment_post_ID;
 }
-$_comment_pending_count_temp = (array) get_pending_comments_num($_comment_post_ids);
-foreach ( (array) $_comment_post_ids as $_cpid )
-	$_comment_pending_count[$_cpid] = isset( $_comment_pending_count_temp[$_cpid] ) ? $_comment_pending_count_temp[$_cpid] : 0;
-if ( empty($_comment_pending_count) )
-	$_comment_pending_count = array();
+
+$_comment_pending_count = get_pending_comments_num($_comment_post_ids);
 
 $comments = array_slice($_comments, 0, $comments_per_page);
 $extra_comments = array_slice($_comments, $comments_per_page);
diff --git a/wp-admin/includes/comment.php b/wp-admin/includes/comment.php
index 528049f2f5..c535824908 100644
--- a/wp-admin/includes/comment.php
+++ b/wp-admin/includes/comment.php
@@ -109,23 +109,32 @@ function get_pending_comments_num( $post_id ) {
 
 	$single = false;
 	if ( !is_array($post_id) ) {
-		$post_id = (array) $post_id;
+		$post_id_array = (array) $post_id;
 		$single = true;
+	} else {
+		$post_id_array = $post_id;
 	}
-	$post_id = array_map('intval', $post_id);
-	$post_id = "'" . implode("', '", $post_id) . "'";
+	$post_id_array = array_map('intval', $post_id_array);
+	$post_id_in = "'" . implode("', '", $post_id_array) . "'";
 
-	$pending = $wpdb->get_results( "SELECT comment_post_ID, COUNT(comment_ID) as num_comments FROM $wpdb->comments WHERE comment_post_ID IN ( $post_id ) AND comment_approved = '0' GROUP BY comment_post_ID", ARRAY_N );
-
-	if ( empty($pending) )
-		return 0;
-
-	if ( $single )
-		return $pending[0][1];
+	$pending = $wpdb->get_results( "SELECT comment_post_ID, COUNT(comment_ID) as num_comments FROM $wpdb->comments WHERE comment_post_ID IN ( $post_id_in ) AND comment_approved = '0' GROUP BY comment_post_ID", ARRAY_A );
 
+	if ( $single ) {
+		if ( empty($pending) )
+			return 0;
+		else
+			return absint($pending[0]['num_comments']);
+	}
+	
 	$pending_keyed = array();
-	foreach ( $pending as $pend )
-		$pending_keyed[$pend[0]] = $pend[1];
+	
+	// Default to zero pending for all posts in request
+	foreach ( $post_id_array as $id )
+		$pending_keyed[$id] = 0;
+
+	if ( !empty($pending) )
+		foreach ( $pending as $pend )
+			$pending_keyed[$pend['comment_post_ID']] = absint($pend['num_comments']);
 
 	return $pending_keyed;
 }
diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index ab737aa033..c2d85827dc 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -2263,10 +2263,10 @@ function _wp_comment_row( $comment_id, $mode, $comment_status, $checkbox = true,
 			case 'response':
 				if ( 'single' !== $mode ) {
 					if ( isset( $_comment_pending_count[$post->ID] ) ) {
-						$pending_comments = absint( $_comment_pending_count[$post->ID] );
+						$pending_comments = $_comment_pending_count[$post->ID];
 					} else {
 						$_comment_pending_count_temp = get_pending_comments_num( array( $post->ID ) );
-						$pending_comments = $_comment_pending_count[$post->ID] = $_comment_pending_count_temp;
+						$pending_comments = $_comment_pending_count[$post->ID] = $_comment_pending_count_temp[$post->ID];
 					}
 					if ( $user_can ) {
 						$post_link = "<a href='" . get_edit_post_link($post->ID) . "'>";