diff --git a/sources/application/UI/Base/Component/Input/RichText/RichText.php b/sources/application/UI/Base/Component/Input/RichText/RichText.php
index 841a87667..11502802b 100644
--- a/sources/application/UI/Base/Component/Input/RichText/RichText.php
+++ b/sources/application/UI/Base/Component/Input/RichText/RichText.php
@@ -28,7 +28,7 @@ class RichText extends UIBlock
 		'js/ckeditor/plugins/codesnippet/lib/highlight/styles/obsidian.css',
 	];
 
-	/** @var string */
+	/** @var array Configuration parameters for the CKEditor instance used with Richtext block */
 	protected $aConfig;
 
 	/**
@@ -39,14 +39,27 @@ class RichText extends UIBlock
 	public function __construct(?string $sId = null)
 	{
 		parent::__construct($sId);
-		$this->aConfig = json_encode(utils::GetCkeditorPref());
+		$this->aConfig = utils::GetCkeditorPref();
 	}
 
+	/**
+	 * @param array $aConfig
+	 * @see static::$aConfig
+	 *
+	 * @return $this
+	 */
+	public function SetConfig(array $aConfig)
+	{
+		$this->aConfig = $aConfig;
+
+		return $this;
+	}
 
 	/**
-	 * @return string
+	 * @see static::$aConfig
+	 * @return array
 	 */
-	public function GetConfig()
+	public function GetConfig(): array
 	{
 		return $this->aConfig;
 	}
diff --git a/templates/base/components/input/richtext/layout.js.twig b/templates/base/components/input/richtext/layout.js.twig
index c2da6b6a1..73ddc553b 100644
--- a/templates/base/components/input/richtext/layout.js.twig
+++ b/templates/base/components/input/richtext/layout.js.twig
@@ -1 +1 @@
-$('#{{ oUIBlock.GetId() }}').ckeditor(function() { /* callback code */ }, {{ oUIBlock.GetConfig()| raw }});
\ No newline at end of file
+$('#{{ oUIBlock.GetId() }}').ckeditor(function() { /* callback code */ }, {{ oUIBlock.GetConfig()|json_encode|raw }});
\ No newline at end of file