From 2de4f11f234c7a33be0ce7aadafbd59f9c849622 Mon Sep 17 00:00:00 2001
From: Pedro Bini <dev.pedrobini@gmail.com>
Date: Tue, 7 Jul 2020 12:17:49 -0300
Subject: [PATCH] Fix defaultValue overriding falsy values

---
 packages/core/src/components/FormInput/FormInput.tsx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/core/src/components/FormInput/FormInput.tsx b/packages/core/src/components/FormInput/FormInput.tsx
index c6a7bc4..969a8a2 100644
--- a/packages/core/src/components/FormInput/FormInput.tsx
+++ b/packages/core/src/components/FormInput/FormInput.tsx
@@ -129,14 +129,16 @@ const FormInput = ({
     error: formInputError.hasErrors,
   };
 
+  const inputValue = value ?? defaultValue ?? formInputMeta.initialValue;
+
   const isUntouched = (
-    (value || defaultValue || formInputMeta.initialValue)
+    !!inputValue
     && !formInputMeta.touched
     && !isInitializedRef.current
   );
 
   if (isUntouched) {
-    form.setFieldValue(name, value || defaultValue || formInputMeta.initialValue);
+    form.setFieldValue(name, inputValue);
 
     inputProps.defaultValue = undefined;
     isInitializedRef.current = true;