diff --git a/inc/HTTPAuthSession.php b/inc/HTTPAuthSession.php
index 7897edbc..7e57b0da 100644
--- a/inc/HTTPAuthSession.php
+++ b/inc/HTTPAuthSession.php
@@ -384,7 +384,7 @@ class HTTPAuthSession {
     $this->user_no  = $principal->user_no();
     $this->principal_id = $principal->principal_id();
     $this->email = $principal->email();
-    $this->fullname = $principal->fullname();
+    $this->fullname = $principal->fullname;
     $this->dav_name = $principal->dav_name();
     $this->principal = $principal;
 
diff --git a/inc/PublicSession.php b/inc/PublicSession.php
index b74fac7d..28e06173 100644
--- a/inc/PublicSession.php
+++ b/inc/PublicSession.php
@@ -73,7 +73,7 @@ class PublicSession {
     $this->user_no  = $principal->user_no();
     $this->principal_id = $principal->principal_id();
     $this->email = $principal->email();
-    $this->fullname = $principal->fullname();
+    $this->fullname = $principal->fullname;
     $this->dav_name = $principal->dav_name();
     $this->principal = $principal;