diff --git a/lib/templates/bootstrap.js b/lib/templates/bootstrap.js
index 2d4c6c58..abc8cb79 100644
--- a/lib/templates/bootstrap.js
+++ b/lib/templates/bootstrap.js
@@ -60,7 +60,7 @@ function textbox(locals) {
         onChangeText={(value) => locals.onChange(value)}
         placeholder={locals.placeholder}
         style={textboxStyle}
-        value={locals.value}
+        value={locals.value || ''}
       />
       {help}
       {error}
@@ -205,4 +205,4 @@ module.exports = {
   select,
   datepicker,
   struct
-};
\ No newline at end of file
+};