From bb99ac81114c80b424000316b76b5eb1d3c2a2d6 Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <mrpetovan@eml.cc>
Date: Sun, 22 Jul 2018 19:22:41 -0400
Subject: [PATCH] Fix Fatal error in Protocol\Diaspora (#5460)

---
 src/Protocol/Diaspora.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index 9ad90869be..341d3d2a89 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -2764,6 +2764,10 @@ class Diaspora
 			return false;
 		}
 
+		if (!$contact) {
+			$contact = [];
+		}
+
 		logger("Got retraction for ".$target_type.", sender ".$sender." and user ".$importer["uid"], LOGGER_DEBUG);
 
 		switch ($target_type) {