diff --git a/apps/OpenSign/src/pages/UserProfile.js b/apps/OpenSign/src/pages/UserProfile.js
index 8cff09052..330e84ec9 100644
--- a/apps/OpenSign/src/pages/UserProfile.js
+++ b/apps/OpenSign/src/pages/UserProfile.js
@@ -101,6 +101,7 @@ function UserProfile() {
     e.preventDefault();
     let phn = Phone,
       res;
+    //condition to call cloud function when user change publicUserName
     if (previousPublicUserName.current !== publicUserName) {
       res = await handleCheckPublicUserName();
     }
@@ -152,14 +153,25 @@ function UserProfile() {
     const extClass = localStorage.getItem("extended_class");
     const extData = JSON.parse(localStorage.getItem("Extand_Class"));
     const ExtUserId = extData[0].objectId;
-    const body = {
-      Phone: obj?.Phone || "",
-      Name: obj.Name,
-      HeaderDocId: isDisableDocId,
-      JobTitle: jobTitle,
-      Company: company,
-      UserName: publicUserName
-    };
+    let body;
+    if (publicUserName) {
+      body = {
+        Phone: obj?.Phone || "",
+        Name: obj.Name,
+        HeaderDocId: isDisableDocId,
+        JobTitle: jobTitle,
+        Company: company,
+        UserName: publicUserName
+      };
+    } else {
+      body = {
+        Phone: obj?.Phone || "",
+        Name: obj.Name,
+        HeaderDocId: isDisableDocId,
+        JobTitle: jobTitle,
+        Company: company
+      };
+    }
     await axios.put(
       parseBaseUrl + "classes/" + extClass + "/" + ExtUserId,
       body,