diff --git a/classes/gateways/paypal/class-wc-gateway-paypal.php b/classes/gateways/paypal/class-wc-gateway-paypal.php
index 226e362ab6e..82669cb8fef 100644
--- a/classes/gateways/paypal/class-wc-gateway-paypal.php
+++ b/classes/gateways/paypal/class-wc-gateway-paypal.php
@@ -447,7 +447,7 @@ class WC_Gateway_Paypal extends WC_Payment_Gateway {
 
 		return '<form action="'.esc_url( $paypal_adr ).'" method="post" id="paypal_payment_form" target="_top">
 				' . implode( '', $paypal_args_array) . '
-				<input type="submit" class="button-alt" id="submit_paypal_payment_form" value="' . __( 'Pay via PayPal', 'woocommerce' ) . '" /> <a class="button cancel" href="'.esc_url( $order->get_cancel_order_url() ).'">'.__( 'Cancel order &amp; restore cart', 'woocommerce' ).'</a>
+				<input type="submit" class="button alt" id="submit_paypal_payment_form" value="' . __( 'Pay via PayPal', 'woocommerce' ) . '" /> <a class="button cancel" href="'.esc_url( $order->get_cancel_order_url() ).'">'.__( 'Cancel order &amp; restore cart', 'woocommerce' ).'</a>
 			</form>';
 
 	}
diff --git a/readme.txt b/readme.txt
index 259ed3d6dc3..dc269162556 100644
--- a/readme.txt
+++ b/readme.txt
@@ -172,6 +172,7 @@ Yes you can! Join in on our [GitHub repository](http://github.com/woothemes/wooc
 * Fix - Cast term_id as int in product data write panel that will resolve issues with numerical attributes
 * Fix - Correct label for RUB symbol - added a dot after it
 * Fix - Javascript escapes to stop breaking scripts when used with translations
+* Fix - PayPal button should use classes 'button' and 'alt', not 'button-alt'
 * Refactor - Taken out Piwik integration, use http://wordpress.org/extend/plugins/woocommerce-piwik-integration/ from now on
 * Refactor - Taken out ShareYourCart integration, use http://wordpress.org/extend/plugins/shareyourcart/ from now on
 * Refactor - Moved woocommerce_get_formatted_product_name function into WC_Product class