diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index 3d38005455..a6bb882e86 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -2969,7 +2969,7 @@ class Contact
 
 		$cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
 
-		DI::notification()->deleteForUserByVerb($contact['uid'], Activity::FOLLOW, ['actor-id' => $contact['public']]);
+		DI::notification()->deleteForUserByVerb($contact['uid'], Activity::FOLLOW, ['actor-id' => $cdata['public']]);
 	}
 
 	/**
diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 89ffca153a..3d4c137a5e 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -985,7 +985,7 @@ class DFRN
 				Logger::notice('Unable to find contact details for ' . $contact['id'] . ' - ' . $contact['addr']);
 				return -22;
 			}
-			$pubkey = $fcontact['pubkey'];
+			$pubkey = $fcontact['pubkey'] ?? '';
 		} else {
 			$pubkey = '';
 		}