diff --git a/client/src/components/filter.tsx b/client/src/components/filter.tsx
index a2db56b..32989ac 100644
--- a/client/src/components/filter.tsx
+++ b/client/src/components/filter.tsx
@@ -2,8 +2,14 @@ import React from 'react';
 import InputFilter from './inputFilter';
 import NamespaceFilter from './namespaceFilter';
 
-const Filter = ({text, filter, onChange, onNamespaceChange}: {text?: string, filter?: string, onChange?: Function, onNamespaceChange?: Function }
-) => (
+type FilterProps = {
+    text: string;
+    filter: string;
+    onChange: (value: string) => void;
+    onNamespaceChange?: Function;
+}
+
+const Filter = ({text, filter, onChange, onNamespaceChange}: FilterProps) => (
     <div id='header'>
         <span className='header_label'>{text}</span>