diff --git a/src/Wallabag/CoreBundle/Form/Type/EntryFilterType.php b/src/Wallabag/CoreBundle/Form/Type/EntryFilterType.php
index bc59c9a14..3c597b5db 100644
--- a/src/Wallabag/CoreBundle/Form/Type/EntryFilterType.php
+++ b/src/Wallabag/CoreBundle/Form/Type/EntryFilterType.php
@@ -36,17 +36,26 @@ class EntryFilterType extends AbstractType
         $builder
             ->add('readingTime', NumberRangeFilterType::class, [
                 'apply_filter' => function (QueryInterface $filterQuery, $field, $values) {
-                    $value = $values['value'];
+                    $lower = $values['value']['left_number'][0];
+                    $upper = $values['value']['right_number'][0];
 
-                    if (null === $value['left_number'][0] || null === $value['right_number'][0]) {
+                    $min = (int) ($lower * $this->user->getConfig()->getReadingSpeed());
+                    $max = (int) ($upper * $this->user->getConfig()->getReadingSpeed());
+
+                    if (null === $lower && null === $upper) {
+                        // no value? no filter
                         return;
+                    } elseif (null === $lower && null !== $upper) {
+                        // only lower value is defined: query all entries with reading LOWER THAN this value
+                        $expression = $filterQuery->getExpr()->lte($field, $max);
+                    } elseif (null !== $lower && null === $upper) {
+                        // only upper value is defined: query all entries with reading GREATER THAN this value
+                        $expression = $filterQuery->getExpr()->gte($field, $min);
+                    } else {
+                        // both value are defined, perform a between
+                        $expression = $filterQuery->getExpr()->between($field, $min, $max);
                     }
 
-                    $min = (int) ($value['left_number'][0] * $this->user->getConfig()->getReadingSpeed());
-                    $max = (int) ($value['right_number'][0] * $this->user->getConfig()->getReadingSpeed());
-
-                    $expression = $filterQuery->getExpr()->between($field, $min, $max);
-
                     return $filterQuery->createCondition($expression);
                 },
                 'label' => 'entry.filters.reading_time.label',
diff --git a/tests/Wallabag/CoreBundle/Controller/EntryControllerTest.php b/tests/Wallabag/CoreBundle/Controller/EntryControllerTest.php
index bea771bca..5c739c78a 100644
--- a/tests/Wallabag/CoreBundle/Controller/EntryControllerTest.php
+++ b/tests/Wallabag/CoreBundle/Controller/EntryControllerTest.php
@@ -499,6 +499,42 @@ class EntryControllerTest extends WallabagCoreTestCase
         $this->assertCount(1, $crawler->filter('div[class=entry]'));
     }
 
+    public function testFilterOnReadingTimeOnlyUpper()
+    {
+        $this->logInAs('admin');
+        $client = $this->getClient();
+
+        $crawler = $client->request('GET', '/unread/list');
+
+        $form = $crawler->filter('button[id=submit-filter]')->form();
+
+        $data = [
+            'entry_filter[readingTime][right_number]' => 22,
+        ];
+
+        $crawler = $client->submit($form, $data);
+
+        $this->assertCount(2, $crawler->filter('div[class=entry]'));
+    }
+
+    public function testFilterOnReadingTimeOnlyLower()
+    {
+        $this->logInAs('admin');
+        $client = $this->getClient();
+
+        $crawler = $client->request('GET', '/unread/list');
+
+        $form = $crawler->filter('button[id=submit-filter]')->form();
+
+        $data = [
+            'entry_filter[readingTime][left_number]' => 22,
+        ];
+
+        $crawler = $client->submit($form, $data);
+
+        $this->assertCount(4, $crawler->filter('div[class=entry]'));
+    }
+
     public function testFilterOnUnreadStatus()
     {
         $this->logInAs('admin');