diff --git a/sources/application/UI/Base/Component/Input/RichText/RichText.php b/sources/application/UI/Base/Component/Input/RichText/RichText.php
index 11502802b..a9cc48cad 100644
--- a/sources/application/UI/Base/Component/Input/RichText/RichText.php
+++ b/sources/application/UI/Base/Component/Input/RichText/RichText.php
@@ -28,6 +28,8 @@ class RichText extends UIBlock
 		'js/ckeditor/plugins/codesnippet/lib/highlight/styles/obsidian.css',
 	];
 
+	/** @var string|null */
+	protected $sValue;
 	/** @var array Configuration parameters for the CKEditor instance used with Richtext block */
 	protected $aConfig;
 
@@ -39,9 +41,32 @@ class RichText extends UIBlock
 	public function __construct(?string $sId = null)
 	{
 		parent::__construct($sId);
+		$this->sValue = null;
 		$this->aConfig = utils::GetCkeditorPref();
 	}
 
+	/**
+	 * @see static::$sValue
+	 * @return string|null
+	 */
+	public function GetValue(): ?string
+	{
+		return $this->sValue;
+	}
+
+	/**
+	 * @param string|null $sValue
+	 * @see static::$sValue
+	 *
+	 * @return $this
+	 */
+	public function SetValue(?string $sValue)
+	{
+		$this->sValue = $sValue;
+
+		return $this;
+	}
+
 	/**
 	 * @param array $aConfig
 	 * @see static::$aConfig
diff --git a/sources/application/UI/Base/Layout/ActivityPanel/ActivityPanelFactory.php b/sources/application/UI/Base/Layout/ActivityPanel/ActivityPanelFactory.php
index 387d2997b..857605f71 100644
--- a/sources/application/UI/Base/Layout/ActivityPanel/ActivityPanelFactory.php
+++ b/sources/application/UI/Base/Layout/ActivityPanel/ActivityPanelFactory.php
@@ -73,9 +73,17 @@ class ActivityPanelFactory
 		$aCaseLogTabs = $oActivityPanel->GetCaseLogTabs();
 		foreach($aCaseLogTabs as $sCaseLogAttCode => $aCaseLogData)
 		{
+			/** @var \ormCaseLog $oCaseLog */
+			$oCaseLog = $oObject->Get($sCaseLogAttCode);
+
 			// Add new entry block only if the case log is not read only
 			if (false === $aCaseLogData['is_read_only']) {
 				$oActivityPanel->SetCaseLogTabEntryForm($sCaseLogAttCode, CaseLogEntryFormFactory::MakeForCaselogTab($oObject, $sCaseLogAttCode, $sMode));
+
+				// Prefill input if default value passed for new object
+				if ($oObject->IsNew() && !$oCaseLog->IsEmpty()) {
+					$oActivityPanel->GetCaseLogTabEntryForm($sCaseLogAttCode)->GetTextInput()->SetValue($oCaseLog->GetModifiedEntry(\ormCaseLog::ENUM_FORMAT_HTML));
+				}
 			}
 
 			if ($oObject->IsNew()) {
@@ -99,9 +107,6 @@ class ActivityPanelFactory
 			$oCaseLogEntriesOriginsSet->OptimizeColumnLoad(['C' => ['origin'], 'CO' => ['lastentry']]);
 
 			// Retrieve log entries
-			/** @var \ormCaseLog $oCaseLog */
-			$oCaseLog = $oObject->Get($sCaseLogAttCode);
-
 			// Debug message to help understand why there could be anomalies on the log entries origins
 			if ($oCaseLog->GetEntryCount() !== $oCaseLogEntriesOriginsSet->Count()) {
 				IssueLog::Debug(static::class.": Number of log entries ({$oCaseLog->GetEntryCount()}) don't match number of corresponding CMDBChanges ({$oCaseLogEntriesOriginsSet->Count()}) for object {$sObjClass}::{$sObjId} / attribute {$sCaseLogAttCode}");
diff --git a/templates/base/components/input/richtext/layout.html.twig b/templates/base/components/input/richtext/layout.html.twig
index c176ab11b..fda8cc3bb 100644
--- a/templates/base/components/input/richtext/layout.html.twig
+++ b/templates/base/components/input/richtext/layout.html.twig
@@ -1,4 +1,4 @@
 {% extends "base/components/input/layout.html.twig" %}
 {% block iboInput %}
-	<textarea id="{{ oUIBlock.GetId() }}" class="htmlEditor ibo-input-richtext-placeholder" name="{{ oUIBlock.GetName() }}" ></textarea>
+	<textarea id="{{ oUIBlock.GetId() }}" class="htmlEditor ibo-input-richtext-placeholder" name="{{ oUIBlock.GetName() }}">{{ oUIBlock.GetValue() }}</textarea>
 {% endblock %}
\ No newline at end of file