diff --git a/CHANGELOG.md b/CHANGELOG.md
index 997e5a1c..6076b750 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
+- Fix plugin configuration deletion during uninstallation
 - Fix nested array stored in DB for readonly dropdown
 - Fix migration abort when a GenericObject container name produces a table name exceeding MySQL's 64-character limit after conversion to GlpiCustomAsset.
 - Fix empty dropdown value (-1) on form submission
diff --git a/hook.php b/hook.php
index d55222fd..1ecd134b 100644
--- a/hook.php
+++ b/hook.php
@@ -165,6 +165,12 @@ function plugin_fields_uninstall()
         'itemtype' => ['LIKE' , 'PluginFields%'],
     ]);
 
+    // clean configuration values
+    $config = new Config();
+    $config->deleteByCriteria([
+        'context' => 'plugin:fields',
+    ]);
+
     return true;
 }