diff --git a/templates/loop/add-to-cart.php b/templates/loop/add-to-cart.php
index 3fd4a59c31c..67ce1f6748d 100644
--- a/templates/loop/add-to-cart.php
+++ b/templates/loop/add-to-cart.php
@@ -15,9 +15,9 @@ echo apply_filters( 'woocommerce_loop_add_to_cart_link',
 	sprintf( '<a href="%s" rel="nofollow" data-product_id="%s" data-product_sku="%s" data-quantity="%s" class="button %s product_type_%s">%s</a>',
 		esc_url( $product->add_to_cart_url() ),
 		esc_attr( $product->id ),
-    esc_attr( $product->get_sku() ),
-    esc_attr( isset( $quantity ) ? $quantity : 1 ),
-		$product->is_purchasable() ? 'add_to_cart_button' : '',
+		esc_attr( $product->get_sku() ),
+		esc_attr( isset( $quantity ) ? $quantity : 1 ),
+		$product->is_purchasable() && $product->is_in_stock() ? 'add_to_cart_button' : '',
 		esc_attr( $product->product_type ),
 		esc_html( $product->add_to_cart_text() )
 	),