diff --git a/classes/feeds.php b/classes/feeds.php
index 4f0ac4f3f..502efd401 100644
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -119,7 +119,7 @@ class Feeds extends Protected_Handler {
 
 	private function format_headlines_list($feed, $method, $view_mode, $limit, $cat_view,
 					$next_unread_feed, $offset, $vgr_last_feed = false,
-					$override_order = false) {
+					$override_order = false, $include_children = false) {
 
 		$disable_cache = false;
 
@@ -196,7 +196,8 @@ class Feeds extends Protected_Handler {
 		}
 //		error_log("search_mode: " . $search_mode);
 		$qfh_ret = queryFeedHeadlines($this->link, $feed, $limit, $view_mode, $cat_view,
-			$search, $search_mode, $match_on, $override_order, $offset);
+			$search, $search_mode, $match_on, $override_order, $offset, 0,
+			false, 0, $include_children);
 
 		if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
 
@@ -758,11 +759,12 @@ class Feeds extends Protected_Handler {
 		$method = db_escape_string($_REQUEST["m"]);
 		$view_mode = db_escape_string($_REQUEST["view_mode"]);
 		$limit = (int) get_pref($this->link, "DEFAULT_ARTICLE_LIMIT");
-		@$cat_view = db_escape_string($_REQUEST["cat"]) == "true";
+		@$cat_view = $_REQUEST["cat"] == "true";
 		@$next_unread_feed = db_escape_string($_REQUEST["nuf"]);
 		@$offset = db_escape_string($_REQUEST["skip"]);
 		@$vgroup_last_feed = db_escape_string($_REQUEST["vgrlf"]);
 		$order_by = db_escape_string($_REQUEST["order_by"]);
+		$include_children = $_REQUEST["include_children"] == "on";
 
 		if (is_numeric($feed)) $feed = (int) $feed;
 
@@ -856,7 +858,7 @@ class Feeds extends Protected_Handler {
 
 		$ret = $this->format_headlines_list($feed, $method,
 			$view_mode, $limit, $cat_view, $next_unread_feed, $offset,
-			$vgroup_last_feed, $override_order);
+			$vgroup_last_feed, $override_order, $include_children);
 
 		$topmost_article_ids = $ret[0];
 		$headlines_count = $ret[1];
diff --git a/include/functions.php b/include/functions.php
index 1116e422c..3cb503fd8 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -2287,7 +2287,7 @@
 		return $rv;
 	}
 
-	function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0) {
+	function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false) {
 
 		if (!$owner_uid) $owner_uid = $_SESSION["uid"];
 
@@ -2332,7 +2332,7 @@
 				} else if ($feed != -1) {
 					$unread = getFeedUnread($link, $feed, $cat_view);
 
-					if ($cat_view && $feed > 0)
+					if ($cat_view && $feed > 0 && $include_children)
 						$unread += getCategoryChildrenUnread($link, $feed);
 
 					if ($unread > 0) {
@@ -2406,15 +2406,19 @@
 				if ($cat_view) {
 
 					if ($feed > 0) {
-						# sub-cats
-						$subcats = getChildCategories($link, $feed, $owner_uid);
+						if ($include_children) {
+							# sub-cats
+							$subcats = getChildCategories($link, $feed, $owner_uid);
 
-						if (count($subcats) == 0) {
-							$query_strategy_part = "cat_id = '$feed'";
+							if (count($subcats) == 0) {
+								$query_strategy_part = "cat_id = '$feed'";
+							} else {
+								array_push($subcats, $feed);
+								$query_strategy_part = "cat_id IN (".
+									implode(",", $subcats).")";
+							}
 						} else {
-							array_push($subcats, $feed);
-							$query_strategy_part = "cat_id IN (".
-								implode(",", $subcats).")";
+							$query_strategy_part = "cat_id = '$feed'";
 						}
 
 					} else {
diff --git a/index.php b/index.php
index c17a10416..96d13558d 100644
--- a/index.php
+++ b/index.php
@@ -183,6 +183,14 @@
 			<option value="score"><?php echo __('Score') ?></option>
 		</select>
 
+		&nbsp;
+
+		<input dojoType="dijit.form.CheckBox" type="checkbox"
+			onchange="viewCurrentFeed()"
+			name="include_children" id="include_children">
+		<label id="include_children_label" for="include_children">
+			<?php echo __('With subcategories') ?></label>
+
 		<button dojoType="dijit.form.Button" name="update"
 			onclick="scheduleFeedUpdate()">
 			<?php echo __('Update') ?></button>
diff --git a/js/tt-rss.js b/js/tt-rss.js
index a4c67bfcc..11d5ef9c1 100644
--- a/js/tt-rss.js
+++ b/js/tt-rss.js
@@ -42,6 +42,14 @@ function setActiveFeedId(id, is_cat) {
 
 		selectFeed(id, is_cat);
 
+		if (is_cat && id > 0) {
+			document.forms["main_toolbar_form"].include_children.disabled = false;
+			$("include_children_label").removeClassName("insensitive");
+		} else {
+			document.forms["main_toolbar_form"].include_children.disabled = true;
+			$("include_children_label").addClassName("insensitive");
+		}
+
 	} catch (e) {
 		exception_error("setActiveFeedId", e);
 	}