diff --git a/lib/Feed.php b/lib/Feed.php
index b0e9129..e96d064 100644
--- a/lib/Feed.php
+++ b/lib/Feed.php
@@ -286,7 +286,7 @@ class Feed {
         $articles = Arsse::$db->feedMatchLatest($feedID, sizeof($items))->getAll();
         // perform a first pass matching the latest articles against items in the feed
         [$this->newItems, $this->changedItems] = $this->matchItems($items, $articles);
-        if (sizeof($this->newItems) && sizeof($items) <= sizeof($articles)) {
+        if (sizeof($this->newItems)) {
             // if we need to, perform a second pass on the database looking specifically for IDs and hashes of the new items
             $ids = $hashesUT = $hashesUC = $hashesTC = [];
             foreach ($this->newItems as $i) {
diff --git a/tests/cases/Feed/TestFeed.php b/tests/cases/Feed/TestFeed.php
index a10a476..5179994 100644
--- a/tests/cases/Feed/TestFeed.php
+++ b/tests/cases/Feed/TestFeed.php
@@ -382,13 +382,22 @@ class TestFeed extends \JKingWeb\Arsse\Test\AbstractTest {
 
     public function testApplyFilterRules(): void {
         \Phake::when(Arsse::$db)->feedMatchIds->thenReturn(new Result([
-            ['id' => 7,    'guid' => '0f2a218c311e3d8105f1b075142a5d26dabf056ffc61abe77e96c8f071bbf4a7', 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
-            ['id' => 47,   'guid' => '1c19e3b9018bc246b7414ae919ddebc88d0c575129e8c4a57b84b826c00f6db5', 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
-            ['id' => 2112, 'guid' => '964db0b9292ad0c7a6c225f2e0966f3bda53486fae65db0310c97409974e65b8', 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
-            ['id' => 1,    'guid' => '436070cda5713a0d9a8fdc8652c7ab142f0550697acfd5206a16c18aee355039', 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
-            ['id' => 42,   'guid' => '1a731433a1904220ef26e731ada7262e1d5bcecae53e7b5df9e1f5713af6e5d3', 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
+            // these are the sixth through tenth entries in the feed; the title hashes have been omitted for brevity
+            ['id' => 7,    'guid' => '0f2a218c311e3d8105f1b075142a5d26dabf056ffc61abe77e96c8f071bbf4a7', 'edited' => null, 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
+            ['id' => 47,   'guid' => '1c19e3b9018bc246b7414ae919ddebc88d0c575129e8c4a57b84b826c00f6db5', 'edited' => null, 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
+            ['id' => 2112, 'guid' => '964db0b9292ad0c7a6c225f2e0966f3bda53486fae65db0310c97409974e65b8', 'edited' => null, 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
+            ['id' => 1,    'guid' => '436070cda5713a0d9a8fdc8652c7ab142f0550697acfd5206a16c18aee355039', 'edited' => null, 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
+            ['id' => 42,   'guid' => '1a731433a1904220ef26e731ada7262e1d5bcecae53e7b5df9e1f5713af6e5d3', 'edited' => null, 'url_title_hash' => "", 'url_content_hash' => '', 'title_content_hash' => ''],
         ]));
-        $f = new Feed(null, $this->base."Filtering/1");
-        $this->markTestIncomplete();
+        \Phake::when(Arsse::$db)->feedRulesGet->thenReturn([
+            'jack' => ['keep' => "",         'block' => '`A|W|J|S`u'],
+            'sam'  => ['keep' => "`B|T|X`u", 'block' => '`C`u'],
+        ]);
+        $f = new Feed(5, $this->base."Filtering/1");
+        $exp = [
+            'jack' => ['new' => [false, true, true,  false, true],  'changed' => [7 => true,  47 => true, 2112 => false, 1 => true,  42 => false]],
+            'sam'  => ['new' => [false, true, false, false, false], 'changed' => [7 => false, 47 => true, 2112 => false, 1 => false, 42 => false]],
+        ];
+        $this->assertSame($exp, $f->filteredItems);
     }
 }
diff --git a/tests/docroot/Feed/Filtering/1.php b/tests/docroot/Feed/Filtering/1.php
index d7a1d22..311ac57 100644
--- a/tests/docroot/Feed/Filtering/1.php
+++ b/tests/docroot/Feed/Filtering/1.php
@@ -38,23 +38,23 @@
     </entry>
     <entry>
         <id>urn:uuid:6d4c7964-43e1-11e7-92bd-4fed65d89796</id>
-        <title>T</title>
-        <category>Z</category>
+        <title>G</title>
+        <category>T</category>
     </entry>
     <entry>
         <id>urn:uuid:6d4c7964-43e1-11e7-92bd-4fed65d89797</id>
-        <title>S</title>
-        <category>Z</category>
+        <title>H</title>
+        <category>S</category>
     </entry>
     <entry>
         <id>urn:uuid:6d4c7964-43e1-11e7-92bd-4fed65d89798</id>
-        <title>R</title>
-        <category>Z</category>
+        <title>I</title>
+        <category>R</category>
     </entry>
     <entry>
         <id>urn:uuid:6d4c7964-43e1-11e7-92bd-4fed65d89799</id>
-        <title>Q</title>
-        <category>Z</category>
+        <title>J</title>
+        <category>Q</category>
     </entry>
 </feed>
 MESSAGE_BODY