diff --git a/modules/ppcp-api-client/src/Entity/Item.php b/modules/ppcp-api-client/src/Entity/Item.php
index 7d38e5f78..cc739635f 100644
--- a/modules/ppcp-api-client/src/Entity/Item.php
+++ b/modules/ppcp-api-client/src/Entity/Item.php
@@ -249,9 +249,12 @@ class Item {
 			'sku'         => $this->sku(),
 			'category'    => $this->category(),
 			'url'         => $this->url(),
-			'image_url'   => $this->image_url(),
 		);
 
+		if ( $this->image_url() ) {
+			$item['image_url'] = $this->image_url();
+		}
+
 		if ( $this->tax() ) {
 			$item['tax'] = $this->tax()->to_array();
 		}