diff --git a/webui.dev/js/ExecutionDialog.js b/webui.dev/js/ExecutionDialog.js
index 81a7a55..ba69531 100644
--- a/webui.dev/js/ExecutionDialog.js
+++ b/webui.dev/js/ExecutionDialog.js
@@ -75,6 +75,10 @@ export class ExecutionDialog {
       this.executionTick()
     }, 1000)
 
+    if (this.dlg.open) {
+      this.dlg.close()
+    }
+
     this.dlg.showModal()
   }