1 files changed, 5 insertions, 0 deletions
diff --git a/opendc-web/opendc-web-ui/src/components/app/map/controls/ZoomControlComponent.js b/opendc-web/opendc-web-ui/src/components/app/map/controls/ZoomControlComponent.js
index 6bae792c..6c3c6cb7 100644
--- a/opendc-web/opendc-web-ui/src/components/app/map/controls/ZoomControlComponent.js
+++ b/opendc-web/opendc-web-ui/src/components/app/map/controls/ZoomControlComponent.js
@@ -1,3 +1,4 @@
+import PropTypes from 'prop-types'
 import React from 'react'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 import { faPlus, faMinus } from '@fortawesome/free-solid-svg-icons'
@@ -23,4 +24,8 @@ const ZoomControlComponent = ({ zoomInOnCenter }) => {
     )
 }
 
+ZoomControlComponent.propTypes = {
+    zoomInOnCenter: PropTypes.func.isRequired,
+}
+
 export default ZoomControlComponent