diff --git a/src/components/hidden/Hidden.js b/src/components/hidden/Hidden.js
index 23f954f4e5..977152ac2a 100644
--- a/src/components/hidden/Hidden.js
+++ b/src/components/hidden/Hidden.js
@@ -51,7 +51,7 @@ export default class HiddenComponent extends Input {
   }
 
   get emptyValue() {
-    return '';
+    return null;
   }
 
   setValue(value, flags = {}) {
diff --git a/src/components/select/editForm/Select.edit.data.js b/src/components/select/editForm/Select.edit.data.js
index 48e32661f6..f1c41fd010 100644
--- a/src/components/select/editForm/Select.edit.data.js
+++ b/src/components/select/editForm/Select.edit.data.js
@@ -686,6 +686,7 @@ export default [
   },
   {
     key: 'selectData',
+    type: 'hidden',
     conditional: {
       json: {
         and: [