diff --git a/src/core/plugins/json-schema-2020-12/fn.js b/src/core/plugins/json-schema-2020-12/fn.js
index 2f77bacf..9e7b16e1 100644
--- a/src/core/plugins/json-schema-2020-12/fn.js
+++ b/src/core/plugins/json-schema-2020-12/fn.js
@@ -11,8 +11,10 @@ export const upperFirst = (value) => {
 }
 
 export const getTitle = (schema) => {
-  if (schema?.title) return upperFirst(schema.title)
-  if (schema?.$anchor) return upperFirst(schema.$anchor)
+  const fn = useFn()
+
+  if (schema?.title) return fn.upperFirst(schema.title)
+  if (schema?.$anchor) return fn.upperFirst(schema.$anchor)
   if (schema?.$id) return schema.$id
 
   return ""
diff --git a/src/core/plugins/oas31/components/models/models.jsx b/src/core/plugins/oas31/components/models/models.jsx
index d3017f1d..5ea7c2c9 100644
--- a/src/core/plugins/oas31/components/models/models.jsx
+++ b/src/core/plugins/oas31/components/models/models.jsx
@@ -12,7 +12,6 @@ const Models = ({
   layoutActions,
   getComponent,
   getConfigs,
-  fn,
 }) => {
   const schemas = specSelectors.selectSchemas()
   const hasSchemas = Object.keys(schemas).length > 0
@@ -92,7 +91,7 @@ const Models = ({
             key={schemaName}
             ref={handleJSONSchema202012Ref(schemaName)}
             schema={schema}
-            name={fn.upperFirst(schemaName)}
+            name={schemaName}
             onExpand={handleJSONSchema202012Expand(schemaName)}
           />
         ))}
@@ -118,9 +117,6 @@ Models.propTypes = {
     show: PropTypes.func.isRequired,
     readyToScroll: PropTypes.func.isRequired,
   }).isRequired,
-  fn: PropTypes.shape({
-    upperFirst: PropTypes.func.isRequired,
-  }).isRequired,
 }
 
 export default Models