diff --git a/plugin/justification/Justification.php b/plugin/justification/Justification.php
index df8ee0752b..b27359dc62 100644
--- a/plugin/justification/Justification.php
+++ b/plugin/justification/Justification.php
@@ -49,10 +49,10 @@ class Justification extends Plugin
         )";
         Database::query($sql);
 
-        $sql = "CREATE TABLE IF NOT EXISTS justification_document_users (
+        $sql = "CREATE TABLE IF NOT EXISTS justification_document_rel_users (
             id INT unsigned NOT NULL auto_increment PRIMARY KEY,
             justification_document_id INT NOT NULL,
-            document_id INT,
+            file_path VARCHAR(255),
             user_id INT,
             date_validity DATE
         )";
@@ -61,10 +61,10 @@ class Justification extends Plugin
 
     public function uninstall()
     {
-        $sql = 'DROP TABLE justification_document';
+        $sql = 'DROP TABLE IF EXISTS justification_document';
         Database::query($sql);
 
-        $sql = 'DROP TABLE justification_document_users';
+        $sql = 'DROP TABLE IF EXISTS justification_document_rel_users';
         Database::query($sql);
     }
 }
diff --git a/plugin/justification/install.php b/plugin/justification/install.php
new file mode 100644
index 0000000000..b84a1449cd
--- /dev/null
+++ b/plugin/justification/install.php
@@ -0,0 +1,5 @@
+<?php
+
+require_once __DIR__.'/../../main/inc/global.inc.php';
+
+Justification::create()->install();
diff --git a/plugin/justification/uninstall.php b/plugin/justification/uninstall.php
new file mode 100644
index 0000000000..48b27894c1
--- /dev/null
+++ b/plugin/justification/uninstall.php
@@ -0,0 +1,6 @@
+<?php
+/* For license terms, see /license.txt */
+
+require_once __DIR__.'/../../main/inc/global.inc.php';
+
+Justification::create()->uninstall();