diff --git a/src/Bundle/ChillPersonBundle/Entity/Person.php b/src/Bundle/ChillPersonBundle/Entity/Person.php
index 4de44e40e..54fe689e7 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Person.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Person.php
@@ -1216,10 +1216,7 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
         return $this->memo;
     }
 
-    /**
-     * Get mobilenumber.
-     */
-    public function getMobilenumber(): string
+    public function getMobilenumber(): ?PhoneNumber
     {
         return $this->mobilenumber;
     }
@@ -1284,10 +1281,7 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
         return $this->otherPhoneNumbers;
     }
 
-    /**
-     * Get phonenumber.
-     */
-    public function getPhonenumber(): ?string
+    public function getPhonenumber(): ?PhoneNumber
     {
         return $this->phonenumber;
     }
@@ -1726,16 +1720,9 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
         return $this;
     }
 
-    /**
-     * Set mobilenumber.
-     *
-     * @param string $mobilenumber
-     *
-     * @return Person
-     */
-    public function setMobilenumber(?string $mobilenumber = '')
+    public function setMobilenumber(?PhoneNumber $mobilenumber)
     {
-        $this->mobilenumber = (string) $mobilenumber;
+        $this->mobilenumber = $mobilenumber;
 
         return $this;
     }
@@ -1771,16 +1758,9 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
         return $this;
     }
 
-    /**
-     * Set phonenumber.
-     *
-     * @param string $phonenumber
-     *
-     * @return Person
-     */
-    public function setPhonenumber(?string $phonenumber = '')
+    public function setPhonenumber(?PhoneNumber $phonenumber)
     {
-        $this->phonenumber = (string) $phonenumber;
+        $this->phonenumber = $phonenumber;
 
         return $this;
     }