diff --git a/includes/wc-template-functions.php b/includes/wc-template-functions.php
index d3f462d3a4c..f0110131580 100644
--- a/includes/wc-template-functions.php
+++ b/includes/wc-template-functions.php
@@ -2148,7 +2148,7 @@ if ( ! function_exists( 'wc_dropdown_variation_attribute_options' ) ) {
 			$options    = $attributes[ $attribute ];
 		}
 
-		$html = '<select id="' . esc_attr( $id ) . '" class="' . esc_attr( $class ) . '" name="' . esc_attr( $name ) . '" data-attribute_name="attribute_' . esc_attr( sanitize_title( $attribute ) ) . '"' . '" data-show_option_none="' . ( $show_option_none ? 'yes' : 'no' ) . '">';
+		$html = '<select id="' . esc_attr( $id ) . '" class="' . esc_attr( $class ) . '" name="' . esc_attr( $name ) . '" data-attribute_name="attribute_' . esc_attr( sanitize_title( $attribute ) ) . '" data-show_option_none="' . ( $show_option_none ? 'yes' : 'no' ) . '">';
 
 		if ( $show_option_none ) {
 			$html .= '<option value="">' . esc_html( $args['show_option_none'] ) . '</option>';