diff --git a/components/mdc/TextInput/helpers.js b/components/mdc/TextInput/helpers.js
index 85d97be8..d6a50920 100644
--- a/components/mdc/TextInput/helpers.js
+++ b/components/mdc/TextInput/helpers.js
@@ -5,5 +5,5 @@ export const addOrRemoveInvalidClass = async (isInvalid, element) => {
 export function getDecimalPlacesLength(number = 0) {
   const string = String(number)
   const length = string.includes('e-') ? string.split('e-')?.[1] : string.split('.')[1]?.length
-  return length || 0
+  return Number(length || 0)
 }