diff --git a/src/components/Input/DefaultText/index.js b/src/components/Input/DefaultText/index.js
index f500d17..52cba9f 100644
--- a/src/components/Input/DefaultText/index.js
+++ b/src/components/Input/DefaultText/index.js
@@ -11,6 +11,7 @@ const DefaultTextInput = props => (
       keyboardType={props.keyboardType}
     />
     {props.isFilled && <Text style={styles.errorLabel}>Wajib diisi</Text>}
+    {props.maxValue && <Text style={styles.errorLabel}>Umur maximum 100</Text>}
   </View>
 );
 
@@ -25,15 +26,15 @@ const styles = StyleSheet.create({
     borderRadius: 10,
   },
   label: {
-    color: 'black', 
-    marginLeft: 10, 
-    fontSize: 12
+    color: 'black',
+    marginLeft: 10,
+    fontSize: 12,
   },
   errorLabel: {
-    color: 'red', 
-    marginLeft: 10, 
-    marginBottom: 5, 
-    fontSize: 10
+    color: 'red',
+    marginLeft: 10,
+    marginBottom: 5,
+    fontSize: 10,
   },
 });
 
diff --git a/src/scenes/ContactDetail/index.js b/src/scenes/ContactDetail/index.js
index 2a6a8ac..5eabd6e 100644
--- a/src/scenes/ContactDetail/index.js
+++ b/src/scenes/ContactDetail/index.js
@@ -13,6 +13,7 @@ const ContactDetail = ({route, navigation}) => {
   let isEmpty = false;
   if (
     form.age.trim() === '' ||
+    Number(form.age) > 100 ||
     form.firstName.trim() === '' ||
     form.lastName.trim() === '' ||
     (image.foto == null && image.fileUri == null)
@@ -62,10 +63,13 @@ const ContactDetail = ({route, navigation}) => {
         <DefaultTextInput
           onChangeText={val => onChangeInput('age', val)}
           label="Age (*)"
-          containerStyle={{height: form.age.trim() === '' ? 80 : 60}}
+          containerStyle={{
+            height: form.age.trim() === '' || Number(form.age) > 100 ? 80 : 60,
+          }}
           value={form.age}
           isFilled={form.age.trim() === ''}
           keyboardType="number-pad"
+          maxValue={Number(form.age) > 100}
         />
       </View>
       <View style={{marginBottom: 20}}>
diff --git a/src/scenes/ContactDetail/useContactDetail.js b/src/scenes/ContactDetail/useContactDetail.js
index a7cff7f..bb90792 100644
--- a/src/scenes/ContactDetail/useContactDetail.js
+++ b/src/scenes/ContactDetail/useContactDetail.js
@@ -44,7 +44,7 @@ const useContactDetail = (data, navigation) => {
     const payload = {
       firstName: form.firstName,
       lastName: form.lastName,
-      age: Number(form.age),
+      age: form.age,
       photo: image.file ? `data:image/png;base64,${image.file}` : image.foto,
     };
     if (data) {