diff --git a/packages/react/src/components/TextInput/PasswordInput.js b/packages/react/src/components/TextInput/PasswordInput.js
index b3811ac26e26..90e961c47f68 100644
--- a/packages/react/src/components/TextInput/PasswordInput.js
+++ b/packages/react/src/components/TextInput/PasswordInput.js
@@ -214,7 +214,7 @@ ControlledPasswordInput.propTypes = {
 
 ControlledPasswordInput.defaultProps = {
   alt: '',
-  className: 'bx--text__input',
+  className: `${prefix}--text__input`,
   disabled: false,
   onChange: () => {},
   onClick: () => {},