diff --git a/src/main/kotlin/app/termora/transport/FileSystemTabbed.kt b/src/main/kotlin/app/termora/transport/FileSystemTabbed.kt
index 44790a4..5a2bc0d 100644
--- a/src/main/kotlin/app/termora/transport/FileSystemTabbed.kt
+++ b/src/main/kotlin/app/termora/transport/FileSystemTabbed.kt
@@ -58,9 +58,8 @@ class FileSystemTabbed(
     private fun initEvents() {
         addBtn.addActionListener {
             val dialog = HostTreeDialog(SwingUtilities.getWindowAncestor(this))
-
             dialog.location = Point(
-                addBtn.locationOnScreen.x - dialog.width / 2 + addBtn.width / 2,
+                max(0, addBtn.locationOnScreen.x - dialog.width / 2 + addBtn.width / 2),
                 addBtn.locationOnScreen.y + max(tabHeight, addBtn.height)
             )
             dialog.isVisible = true