From 47d45f7002b3e278df529516b8b19eb94abf7a54 Mon Sep 17 00:00:00 2001
From: Dac Chartrand <dac.chartrand@gmail.com>
Date: Tue, 10 Dec 2019 12:56:37 -0500
Subject: [PATCH] Fix undefined variable warning

---
 footer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/footer.php b/footer.php
index 994aca7..c74e806 100644
--- a/footer.php
+++ b/footer.php
@@ -28,7 +28,7 @@ if ( $pb_network_contact_form ) {
 		 *
 		 * @since Pressbooks 5.6.0
 		 */
-		$contact_link = apply_filters( 'pb_contact_link', $contact_link );
+		$contact_link = apply_filters( 'pb_contact_link', '' );
 	}
 }