diff --git a/sources/application/UI/Base/Layout/PageContent/PageContent.php b/sources/application/UI/Base/Layout/PageContent/PageContent.php
index 79decd56aa..3ef77141a1 100644
--- a/sources/application/UI/Base/Layout/PageContent/PageContent.php
+++ b/sources/application/UI/Base/Layout/PageContent/PageContent.php
@@ -209,13 +209,23 @@ class PageContent extends UIBlock implements iUIContentBlock {
 		return null;
 	}
 
+	/**
+	 * @inheritDoc
+	 * @throws \Exception
+	 */
+	public function HasSubBlocks(): bool
+	{
+		return !empty($this->GetMainBlocks());
+	}
+
 	/**
 	 * Set the MAIN AREA subBlocks
 	 *
 	 * @inheritDoc
 	 * @return $this|\Combodo\iTop\Application\UI\Base\Layout\iUIContentBlock
 	 */
-	public function SetSubBlocks(array $aSubBlocks): iUIContentBlock {
+	public function SetSubBlocks(array $aSubBlocks): iUIContentBlock
+	{
 		$this->SetMainBlocks($aSubBlocks);
 
 		return $this;
diff --git a/sources/application/UI/Base/Layout/PageContent/PageContentWithSideContent.php b/sources/application/UI/Base/Layout/PageContent/PageContentWithSideContent.php
index 9de2a15314..30d7e6b47f 100644
--- a/sources/application/UI/Base/Layout/PageContent/PageContentWithSideContent.php
+++ b/sources/application/UI/Base/Layout/PageContent/PageContentWithSideContent.php
@@ -109,9 +109,18 @@ class PageContentWithSideContent extends PageContent {
 	 *
 	 * @return $this
 	 */
-	public function RemoveSideBlock(string $sBlockId) {
+	public function RemoveSideBlock(string $sBlockId)
+	{
 		$this->RemoveBlockFromContentArea(static::ENUM_CONTENT_AREA_SIDE, $sBlockId);
 
 		return $this;
 	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function HasSubBlocks(): bool
+	{
+		return parent::HasSubBlocks() || !empty($this->GetSideBlocks());
+	}
 }
\ No newline at end of file
diff --git a/sources/application/UI/Base/Layout/UIContentBlock.php b/sources/application/UI/Base/Layout/UIContentBlock.php
index 0a7084e0db..ecc8b4ef65 100644
--- a/sources/application/UI/Base/Layout/UIContentBlock.php
+++ b/sources/application/UI/Base/Layout/UIContentBlock.php
@@ -99,6 +99,14 @@ class UIContentBlock extends UIBlock implements iUIContentBlock
 		return isset($this->aSubBlocks[$sId]) ? $this->aSubBlocks[$sId] : null;
 	}
 
+	/**
+	 * @inheritDoc
+	 */
+	public function HasSubBlocks(): bool
+	{
+		return !empty($this->aSubBlocks);
+	}
+
 	/**
 	 * @inheritDoc
 	 */
diff --git a/sources/application/UI/Base/Layout/iUIContentBlock.php b/sources/application/UI/Base/Layout/iUIContentBlock.php
index cd3d1fbc12..1c0ffce91c 100644
--- a/sources/application/UI/Base/Layout/iUIContentBlock.php
+++ b/sources/application/UI/Base/Layout/iUIContentBlock.php
@@ -64,6 +64,11 @@ interface iUIContentBlock {
 	 */
 	public function GetSubBlock(string $sId): ?iUIBlock;
 
+	/**
+	 * @return bool True if there is at least 1 sub-block
+	 */
+	public function HasSubBlocks(): bool;
+
 	/**
 	 * Return an array of all the sub blocks
 	 *