diff --git a/exam/classes/Models/User/User.php b/exam/classes/Models/User/User.php
index 0b47a50..9f31f1d 100644
--- a/exam/classes/Models/User/User.php
+++ b/exam/classes/Models/User/User.php
@@ -593,7 +593,7 @@ class User implements JsonSerializable
 
     // Delete old picture if it isn't a default one and if it exists.
     try {
-      if (strpos($oldImage, "default") === false && file_exists(Config::getStorageFSPath() . $this->image)) unlink(Config::getStorageFSPath() . $oldImage);
+      if (strpos($oldImage, "default") === false && is_file(Config::getStorageFSPath() . $oldImage)) unlink(Config::getStorageFSPath() . $oldImage);
     } catch (Exception $e) {
     }
 
@@ -624,7 +624,7 @@ class User implements JsonSerializable
 
     // Delete picture if it isn't a default one and if it exists.
     try {
-      if (strpos($this->image, "default") === false && file_exists(Config::getStorageFSPath() . $this->image)) unlink(Config::getStorageFSPath() . $this->image);
+      if (strpos($this->image, "default") === false && is_file(Config::getStorageFSPath() . $this->image)) unlink(Config::getStorageFSPath() . $this->image);
     } catch (Exception $e) {
     }