diff --git a/includes/wc-update-functions.php b/includes/wc-update-functions.php
index c6fdd603caf..8a6a10ee2f2 100644
--- a/includes/wc-update-functions.php
+++ b/includes/wc-update-functions.php
@@ -1053,7 +1053,7 @@ function wc_update_300_product_visibility() {
 	}
 
 	if ( $outofstock_term = get_term_by( 'name', 'outofstock', 'product_visibility' ) ) {
-		$wpdb->query( $wpdb->prepare( "INSERT INTO {$wpdb->term_relationships} SELECT post_id, %d, 0 FROM {$wpdb->postmeta} WHERE meta_key = '_stock_status' AND meta_value IN 'outofstock';", $outofstock_term->term_id ) );
+		$wpdb->query( $wpdb->prepare( "INSERT INTO {$wpdb->term_relationships} SELECT post_id, %d, 0 FROM {$wpdb->postmeta} WHERE meta_key = '_stock_status' AND meta_value = 'outofstock';", $outofstock_term->term_id ) );
 	}
 
 	if ( $rating_term = get_term_by( 'name', 'rated-1', 'product_visibility' ) ) {