diff --git a/lib/create-icon-set-from-fontawesome5.js b/lib/create-icon-set-from-fontawesome5.js
index 437ede40c..e7cfd4156 100644
--- a/lib/create-icon-set-from-fontawesome5.js
+++ b/lib/create-icon-set-from-fontawesome5.js
@@ -137,10 +137,13 @@ export function createFA5iconSet(glyphMap, metadata = {}, proVersion = false) {
 
   function createFA5iconClass(baseClass, selectClass = iconSet => iconSet) {
     class FA5iconClass extends PureComponent {
-      static propTypes = Object.create(baseClass.propTypes, {
-        light: PropTypes.bool,
-        solid: PropTypes.bool,
-      });
+      static propTypes = [
+        baseClass.propTypes,
+        {
+          light: PropTypes.bool,
+          solid: PropTypes.bool,
+        },  
+      ];
 
       static defaultProps = {
         light: false,