diff --git a/includes/emails/class-wc-email.php b/includes/emails/class-wc-email.php
index 7a5441e4872..ac3f8ceb736 100644
--- a/includes/emails/class-wc-email.php
+++ b/includes/emails/class-wc-email.php
@@ -289,10 +289,9 @@ class WC_Email extends WC_Settings_API {
 	 * @return string
 	 */
 	public function get_headers() {
-		if ( $this->id == 'new_order' ) { 
-			$header = "Content-Type: " . $this->get_content_type() . "\r\n Reply-to:" .$this->object->billing_first_name.' '.$this->object->billing_last_name.' <'.$this->object->billing_email.'>' . "\r\n";
-		} else { 
-			$header = "Content-Type: " . $this->get_content_type() . "\r\n";
+		$header = "Content-Type: " . $this->get_content_type() . "\r\n";
+		if ( 'new_order' === $this->id ) {
+			$header .= "Reply-to: {$this->object->billing_first_name} {$this->object->billing_last_name} <{$this->object->billing_email}>\r\n";
 		}
 		return apply_filters( 'woocommerce_email_headers', $header, $this->id, $this->object );
 	}