diff --git a/application/models/person/Person_model.php b/application/models/person/Person_model.php
index 173cec529..94ffb78a3 100644
--- a/application/models/person/Person_model.php
+++ b/application/models/person/Person_model.php
@@ -82,7 +82,7 @@ class Person_model extends DB_Model
 				}
 				else
 				{
-					$person['svnr'] = $person['svnr'] . 'v' . ($result->retval[0]->svnr{11} + 1);
+					$person['svnr'] = $person['svnr'] . 'v' . ($result->retval[0]->svnr[11] + 1);
 				}
 			}
 		}
diff --git a/cis/private/tools/suche.php b/cis/private/tools/suche.php
index b4574a95f..15d75c546 100644
--- a/cis/private/tools/suche.php
+++ b/cis/private/tools/suche.php
@@ -275,7 +275,7 @@ function searchOE($searchItems)
 			$oe->result[] = new organisationseinheit($row->oe_kurzbz);
 	}
 
-	if(count($oe->result)>0)
+	if(is_array($oe->result) && count($oe->result)>0)
 	{
 		echo '<h2 style="padding-bottom: 10px;">',$p->t('global/organisationseinheiten'),'</h2>';
 		echo '
diff --git a/include/person.class.php b/include/person.class.php
index e10862ea1..8295a76e1 100644
--- a/include/person.class.php
+++ b/include/person.class.php
@@ -284,7 +284,7 @@ class person extends basis_db
 			//Quersumme bilden
 			for ($i = 0; $i < 10; $i++)
 			{
-				$erg += $gewichtung[$i] * $this->svnr{$i};
+				$erg += $gewichtung[$i] * $this->svnr[$i];
 			}
 
 			if ($this->svnr[3] != ($erg % 11)) //Vergleichen der Pruefziffer mit Quersumme Modulo 11