diff --git a/client_documents.php b/client_documents.php
index 06ed1c3e..7042a1db 100644
--- a/client_documents.php
+++ b/client_documents.php
@@ -350,7 +350,11 @@ while ($folder_id > 0) {
                                 $document_content = nullable_htmlentities($row['document_content']);
                                 $document_created_by_name = nullable_htmlentities($row['user_name']);
                                 $document_created_at = date("m/d/Y",strtotime($row['document_created_at']));
-                                $document_updated_at = date("m/d/Y",strtotime($row['document_updated_at']));
+                                if ($row['document_updated_at']) {
+                                    $document_updated_at_display = date("m/d/Y",strtotime($row['document_updated_at']));
+                                } else {
+                                    $document_updated_at_display = "-";
+                                }
                                 $document_folder_id = intval($row['document_folder_id']);
 
                                 // Check if shared
@@ -395,7 +399,7 @@ while ($folder_id > 0) {
                                         <?php echo $document_created_at; ?>
                                         <div class="text-secondary mt-1"><?php echo $document_created_by_name; ?>
                                     </td>
-                                    <td><?php echo $document_updated_at; ?></td>
+                                    <td><?php echo $document_updated_at_display; ?></td>
                                     <td>
                                         <?php if (mysqli_num_rows($sql_shared) > 0) { ?>
                                             <div class="media" title="Expires <?php echo $item_expire_at_human; ?>">