diff --git a/classes/class-wc-cart.php b/classes/class-wc-cart.php
index 8549e0bca5e..196dee3d429 100644
--- a/classes/class-wc-cart.php
+++ b/classes/class-wc-cart.php
@@ -954,6 +954,7 @@ class WC_Cart {
 								$this_item_is_discounted = false;
 
 								$product_cats = wp_get_post_terms( $values['product_id'], 'product_cat', array("fields" => "ids") );
+								$product_ids_on_sale = woocommerce_get_product_ids_on_sale();
 
 								// Specific products get the discount
 								if ( sizeof( $coupon->product_ids ) > 0 ) {
@@ -985,9 +986,8 @@ class WC_Cart {
 										$this_item_is_discounted = false;
 
 								// Sale Items excluded from discount
-								if ( $coupon->exclude_sale_items() && sizeof( woocommerce_get_product_ids_on_sale() ) > 0 )
-									$product_ids_on_sale = woocommerce_get_product_ids_on_sale();
-									if ( in_array( $values['product_id'], $product_ids_on_sale ) || in_array( $values['variation_id'], $product_ids_on_sale ) || in_array( $values['data']->get_parent(), $product_ids_on_sale ) )
+								if ( $coupon->exclude_sale_items == 'yes' )
+									if ( in_array( $values['product_id'], $product_ids_on_sale, true ) || in_array( $values['variation_id'], $product_ids_on_sale, true ) || in_array( $values['data']->get_parent(), $product_ids_on_sale, true ) )
 										$this_item_is_discounted = false;
 
 								// Apply filter
@@ -1106,7 +1106,7 @@ class WC_Cart {
 		 * @param mixed $price
 		 */
 		public function apply_product_discounts_after_tax( $values, $price ) {
-
+			
 			if ( ! empty( $this->applied_coupons) ) {
 				foreach ( $this->applied_coupons as $code ) {
 					$coupon = new WC_Coupon( $code );
@@ -1120,6 +1120,7 @@ class WC_Cart {
 					if ( ! $coupon->apply_before_tax() ) {
 
 						$product_cats = wp_get_post_terms( $values['product_id'], 'product_cat', array("fields" => "ids") );
+						$product_ids_on_sale = woocommerce_get_product_ids_on_sale();
 
 						$this_item_is_discounted = false;
 
@@ -1153,9 +1154,8 @@ class WC_Cart {
 								$this_item_is_discounted = false;
 
 						// Sale Items excluded from discount
-								if ( $coupon->exclude_sale_items() && sizeof( woocommerce_get_product_ids_on_sale() ) > 0 )
-									$product_ids_on_sale = woocommerce_get_product_ids_on_sale();
-									if ( in_array( $values['product_id'], $product_ids_on_sale ) || in_array( $values['variation_id'], $product_ids_on_sale ) || in_array( $values['data']->get_parent(), $product_ids_on_sale ) )
+								if ( $coupon->exclude_sale_items == 'yes' )
+									if ( in_array( $values['product_id'], $product_ids_on_sale, true ) || in_array( $values['variation_id'], $product_ids_on_sale, true ) || in_array( $values['data']->get_parent(), $product_ids_on_sale, true ) )
 										$this_item_is_discounted = false;
 
 						// Apply filter
diff --git a/classes/class-wc-coupon.php b/classes/class-wc-coupon.php
index 0d599d9ff2e..42b4ec736a6 100644
--- a/classes/class-wc-coupon.php
+++ b/classes/class-wc-coupon.php
@@ -317,12 +317,12 @@ class WC_Coupon {
 				}
 
 				// Exclude Sale Items
-				if ( exclude_sale_items() && sizeof( $woocommerce_get_product_ids_on_sale) > 0 ) {
+				if ( $this->exclude_sale_items == 'yes' ) {
 					$valid_for_cart = true;
 					$product_ids_on_sale = woocommerce_get_product_ids_on_sale();
 					if ( sizeof( $woocommerce->cart->get_cart() ) > 0 ) {
 						foreach( $woocommerce->cart->get_cart() as $cart_item_key => $cart_item ) {
-							if ( in_array( $cart_item['product_id'], $product_ids_on_sale ) || in_array( $cart_item['variation_id'], $product_ids_on_sale ) || in_array( $cart_item['data']->get_parent(), $product_ids_on_sale ) ) {
+							if ( in_array( $cart_item['product_id'], $product_ids_on_sale, true ) || in_array( $cart_item['variation_id'], $product_ids_on_sale, true ) || in_array( $cart_item['data']->get_parent(), $product_ids_on_sale, true ) ) {
 								$valid_for_cart = false;
 							}
 						}
diff --git a/templates/cart/totals.php b/templates/cart/totals.php
index 47e003f4aef..6d04619a5f7 100644
--- a/templates/cart/totals.php
+++ b/templates/cart/totals.php
@@ -192,4 +192,11 @@ $available_methods = $woocommerce->shipping->get_available_shipping_methods();
 
 	<?php do_action( 'woocommerce_after_cart_totals' ); ?>
 
+	<div class="debug"> 
+		<?php 
+		print_r(woocommerce_get_product_ids_on_sale() );
+		print_r( $woocommerce )
+		?>
+	</div>
+
 </div>
\ No newline at end of file