diff --git a/tests/Wallabag/CoreBundle/Tools/UtilsTest.php b/tests/Wallabag/CoreBundle/Tools/UtilsTest.php
index 347589dc0..952d076d1 100644
--- a/tests/Wallabag/CoreBundle/Tools/UtilsTest.php
+++ b/tests/Wallabag/CoreBundle/Tools/UtilsTest.php
@@ -13,7 +13,7 @@ class UtilsTest extends TestCase
      */
     public function testCorrectWordsCountForDifferentLanguages($text, $expectedCount)
     {
-        static::assertEquals((float) $expectedCount, Utils::getReadingTime($text));
+        static::assertSame((float) $expectedCount, Utils::getReadingTime($text));
     }
 
     public function examples()