diff --git a/classes/PrestashopConfiguration.php b/classes/PrestashopConfiguration.php
index 8eb194807..8e5062335 100644
--- a/classes/PrestashopConfiguration.php
+++ b/classes/PrestashopConfiguration.php
@@ -78,7 +78,7 @@ public function getPrestaShopVersion()
             $this->psRootDir . '/app/AppKernel.php',
         );
         foreach ($files as $file) {
-            $version = $this->findPrestaShopVersionInFile(file_get_contents($file));
+            $version = $this->findPrestaShopVersionInFile(@file_get_contents($file));
             if ($version) {
                 return $version;
             }