diff --git a/src/fields/validations.js b/src/fields/validations.js
index 24628949d1..2d2f3095f9 100644
--- a/src/fields/validations.js
+++ b/src/fields/validations.js
@@ -169,7 +169,7 @@ const optionsToValidatorMap = {
   },
   radio: (value, options = {}) => {
     const stringValue = String(value);
-    if ((value || !options.required) && (options.options.find((option) => String(option.value) === stringValue))) return true;
+    if ((typeof value !== 'undefined' || !options.required) && (options.options.find((option) => String(option.value) === stringValue))) return true;
     return defaultMessage;
   },
   blocks: (value, options) => {