diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/Entity/PersonText.vue b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/Entity/PersonText.vue
index c9e98c55b..d597f5205 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/Entity/PersonText.vue
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/Entity/PersonText.vue
@@ -3,10 +3,11 @@
     <span v-else class="person-text">
         <span class="firstname">{{ person.firstName }}</span>
         <span class="lastname">{{ person.lastName }}</span>
-        <span v-if="person.altNames.length > 0" class="altnames">
+        <span v-if="person.altNames && person.altNames.length > 0" class="altnames">
             <span :class="'altname altname-' + altNameKey"> ({{ altNameLabel }})</span>
         </span>
-        <span class="age" v-if="person.birthdate !== null && person.deathdate === null">{{ $tc('renderbox.years_old', this.getAge) }}</span>
+        <span class="age" v-if="person.birthdate !== null && person.deathdate === null">{{ $tc('renderbox.years_old', person.age) }}</span>
+        <span v-else-if="person.deathdate !== null"> (‡)</span>
     </span>
 </template>
 
@@ -16,23 +17,6 @@ export default {
     name: "PersonText",
     props: ['person', 'isCut'],
     computed: {
-        getAge: function() {
-            if(this.person.birthdate && !this.person.deathdate){
-                const birthday = new Date(this.person.birthdate.datetime)
-                const now = new Date()
-                return (now.getFullYear() - birthday.getFullYear())
-            } else if(this.person.birthdate && this.person.deathdate){
-                    const birthday = new Date(this.person.birthdate.datetime)
-                    const deathdate = new Date(this.person.deathdate.datetime)
-                    return (deathdate.getFullYear() - birthday.getFullYear())
-            } else if(!this.person.birthdate && this.person.deathdate.datetime) {
-                // todo: change this
-                    return "Age unknown"
-            } else {
-                // todo: change this
-                    return "Age unknown"
-            }
-        },
         altNameLabel: function() {
             for(let i = 0; i < this.person.altNames.length; i++){
                 return this.person.altNames[i].label
diff --git a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php
index d6f9ced53..6ea3dda08 100644
--- a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php
+++ b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonJsonNormalizer.php
@@ -182,6 +182,7 @@ class PersonJsonNormalizer implements
             'lastName' => $person->getLastName(),
             'birthdate' => $this->normalizer->normalize($person->getBirthdate(), $format, $context),
             'deathdate' => $this->normalizer->normalize($person->getDeathdate(), $format, $context),
+            'age' => $this->normalizer->normalize($person->getAge(), $format, $context),
             'centers' => $this->normalizer->normalize($this->centerResolverManager->resolveCenters($person), $format, $context),
             'phonenumber' => $person->getPhonenumber(),
             'mobilenumber' => $person->getMobilenumber(),