diff --git a/restapi/index.php b/restapi/index.php
index 7ca7dcd3e..5bc4535eb 100644
--- a/restapi/index.php
+++ b/restapi/index.php
@@ -2659,8 +2659,8 @@ final class SeedDMS_RestapiController { /* {{{ */
 
         $params = $request->getParsedBody();
         /* Setting an empty comment is allowed. */
-        if ($params['comment']) {
-            return $this->renderer->json($response, array('success'=>false, 'message'=>'You must supply a new name', 'data'=>''))->withStatus(400);
+        if (empty($params['comment'])) {
+            return $this->renderer->json($response, array('success'=>false, 'message'=>'You must supply a new comment', 'data'=>''))->withStatus(400);
         }
 
         $newcomment = $params['comment'];