1 files changed, 1 insertions, 1 deletions

diff --git a/src/Wallabag/CoreBundle/Helper/ContentProxy.php b/src/Wallabag/CoreBundle/Helper/ContentProxy.php
index 1ac7ad83..854acb6a 100644
--- a/src/Wallabag/CoreBundle/Helper/ContentProxy.php
+++ b/src/Wallabag/CoreBundle/Helper/ContentProxy.php
@@ -125,7 +125,7 @@ class ContentProxy
         $date = $value;
 
         // is it a timestamp?
-        if (filter_var($date, FILTER_VALIDATE_INT) !== false) {
+        if (false !== filter_var($date, FILTER_VALIDATE_INT)) {
             $date = '@' . $date;
         }