diff --git a/classes/abstracts/abstract-wc-product.php b/classes/abstracts/abstract-wc-product.php
index 5fb856cf4d4..1b199e221ff 100644
--- a/classes/abstracts/abstract-wc-product.php
+++ b/classes/abstracts/abstract-wc-product.php
@@ -35,9 +35,12 @@ class WC_Product {
 			$product = get_product( $product );
 		}
 
-		if ( is_object( $product ) ) {
+		if ( $product instanceof WP_Post ) {
 			$this->id   = absint( $product->ID );
 			$this->post = $product;
+		} elseif ( $product instanceof WC_Product ) {
+			$this->id   = absint( $product->id );
+			$this->post = $product;
 		} else {
 			$this->id   = absint( $product );
 			$this->post = get_post( $this->id );