diff --git a/api.php b/api.php
index 22fe90a..de719d1 100644
--- a/api.php
+++ b/api.php
@@ -141,6 +141,11 @@
                 }
             }
         }
+        # remove plot cache 
+        $redis = new Redis();
+        $redis->connect('127.0.0.1', 6379);
+        $redis->del("plotACA".$_SESSION['callsign']);
+
         echo $ret;
     }