diff --git a/interface/main/messages/save.php b/interface/main/messages/save.php
index 1c69e7a82b6..f0a6220d8e1 100644
--- a/interface/main/messages/save.php
+++ b/interface/main/messages/save.php
@@ -157,6 +157,8 @@
     $query = "SELECT * FROM patient_data WHERE pid=?";
     $result = sqlQuery($query, array($_REQUEST['pid']));
     $result['age'] = $MedEx->events->getAge($result['DOB']);
+    // uuid is binary and will break json_encode in binary form (not needed, so will remove it from $result array)
+    unset($result['uuid']);
 
     /**
      *  Did the clinician create a PLAN at the last visit?