diff --git a/core/components/quip/controllers/web/ThreadReply.php b/core/components/quip/controllers/web/ThreadReply.php
index 66dc249..854dad8 100644
--- a/core/components/quip/controllers/web/ThreadReply.php
+++ b/core/components/quip/controllers/web/ThreadReply.php
@@ -140,7 +140,7 @@ public function process() {
         
         /* handle POST */
         $this->hasPreview = false;
-        if (!empty($_POST)) {
+        if (!empty($_POST) && !empty($_POST[$this->getProperty('postAction','quip-post')])) {
             $this->handlePost();
         }
         
@@ -339,4 +339,4 @@ public function checkForModeration() {
         }
     }
 }
-return 'QuipThreadReplyController';
\ No newline at end of file
+return 'QuipThreadReplyController';