diff --git a/src/components/SearchForm.jsx b/src/components/SearchForm.jsx
index a539f72..c116dd8 100644
--- a/src/components/SearchForm.jsx
+++ b/src/components/SearchForm.jsx
@@ -27,7 +27,7 @@ const SearchForm = ({ initialValue, onSubmit, onReset, ...props }) => {
 
   const formValuesMapper = (values) => {
     const destinationObject = {
-      'referenceNo': { key: 'referenceNo' },
+      'referenceNo': { key: 'referenceNo', transform: (value) => value || '' },
       'dates': [
         { key: 'startdate', transform: (arrVal) => (arrVal ? arrVal[0].format(DATE_FORMAT) : '') },
         { key: 'enddate', transform: (arrVal) => (arrVal ? arrVal[1].format(DATE_FORMAT) : '') },
@@ -45,7 +45,7 @@ const SearchForm = ({ initialValue, onSubmit, onReset, ...props }) => {
       }
     }
     // omit empty
-    Object.keys(dest).forEach((key) => (dest[key] == null || dest[key] === '' || dest[key].length === 0) && delete dest[key]);
+    // Object.keys(dest).forEach((key) => (dest[key] == null || dest[key] === '' || dest[key].length === 0) && delete dest[key]);
     return dest;
   };