diff --git a/sources/DependencyInjection/DIException.php b/sources/DependencyInjection/DIException.php
index 30439af31..b3926ba7f 100644
--- a/sources/DependencyInjection/DIException.php
+++ b/sources/DependencyInjection/DIException.php
@@ -1,4 +1,5 @@
 <?php
+
 /*
  * @copyright   Copyright (C) 2010-2025 Combodo SAS
  * @license     http://opensource.org/licenses/AGPL-3.0
@@ -16,4 +17,4 @@ class DIException extends \Exception
 		parent::__construct($sMessage, $iCode, $oPrevious);
 		IssueLog::Exception(get_class($this).' occurs: '.$sMessage, $this, null, $aContext);
 	}
-}
\ No newline at end of file
+}
diff --git a/sources/DependencyInjection/DIService.php b/sources/DependencyInjection/DIService.php
index 848a9c136..60ae00b85 100644
--- a/sources/DependencyInjection/DIService.php
+++ b/sources/DependencyInjection/DIService.php
@@ -1,4 +1,5 @@
 <?php
+
 /*
  * @copyright   Copyright (C) 2010-2025 Combodo SAS
  * @license     http://opensource.org/licenses/AGPL-3.0
@@ -36,7 +37,7 @@ class DIService
 	 */
 	final public function RegisterService(string $sName, mixed $oService): void
 	{
-		$aServices[$sName] = $oService;
+		$this->aServices[$sName] = $oService;
 	}
 
 	/**
@@ -57,4 +58,4 @@ class DIService
 
 		return $this->aServices[$sName];
 	}
-}
\ No newline at end of file
+}
diff --git a/sources/Forms/Block/DataModel/AttributeChoiceFormBlock.php b/sources/Forms/Block/DataModel/AttributeChoiceFormBlock.php
index 80d91c523..63cc1667c 100644
--- a/sources/Forms/Block/DataModel/AttributeChoiceFormBlock.php
+++ b/sources/Forms/Block/DataModel/AttributeChoiceFormBlock.php
@@ -68,11 +68,10 @@ class AttributeChoiceFormBlock extends ChoiceFormBlock
 
 		$aAttributes = [];
 		foreach ($aAttributeCodes as $sAttCode) {
-			$oAttribute =$oModelReflection->GetLabel($sClass, $sAttCode);
-			$aAttributes[$oAttribute->GetLabel()] = $sAttCode;
+			$sLabel = $oModelReflection->GetLabel($sClass, $sAttCode);
+			$aAttributes[$sLabel] = $sAttCode;
 		}
 
 		$oOptionsRegister->SetOption('choices', $aAttributes);
 	}
-
 }
diff --git a/sources/Forms/IO/Format/AbstractIOFormat.php b/sources/Forms/IO/Format/AbstractIOFormat.php
index 80b731373..06faf5a0e 100644
--- a/sources/Forms/IO/Format/AbstractIOFormat.php
+++ b/sources/Forms/IO/Format/AbstractIOFormat.php
@@ -1,4 +1,5 @@
 <?php
+
 /*
  * @copyright   Copyright (C) 2010-2025 Combodo SAS
  * @license     http://opensource.org/licenses/AGPL-3.0
@@ -13,4 +14,4 @@ abstract class AbstractIOFormat implements JsonSerializable
 	abstract public function jsonSerialize(): mixed;
 
 	abstract public static function IsCompatible(string $sOtherFormatClass): bool;
-}
\ No newline at end of file
+}
diff --git a/sources/Forms/IO/Format/AttributeIOFormat.php b/sources/Forms/IO/Format/AttributeIOFormat.php
index 23248d952..336233faf 100644
--- a/sources/Forms/IO/Format/AttributeIOFormat.php
+++ b/sources/Forms/IO/Format/AttributeIOFormat.php
@@ -2,7 +2,6 @@
 
 namespace Combodo\iTop\Forms\IO\Format;
 
-
 class AttributeIOFormat extends AbstractIOFormat
 {
 	public string $sAttributeName;