diff --git a/includes/class-wc-structured-data.php b/includes/class-wc-structured-data.php
index e22e8c63d32..5bf06163be9 100644
--- a/includes/class-wc-structured-data.php
+++ b/includes/class-wc-structured-data.php
@@ -233,9 +233,10 @@ class WC_Structured_Data {
 					);
 				} else {
 					$markup_offer = array(
-						'@type'     => 'AggregateOffer',
-						'lowPrice'  => wc_format_decimal( $lowest, wc_get_price_decimals() ),
-						'highPrice' => wc_format_decimal( $highest, wc_get_price_decimals() ),
+						'@type'      => 'AggregateOffer',
+						'lowPrice'   => wc_format_decimal( $lowest, wc_get_price_decimals() ),
+						'highPrice'  => wc_format_decimal( $highest, wc_get_price_decimals() ),
+						'offerCount' => count( $product->get_children() ),
 					);
 				}
 			} else {