diff --git a/WireGuard/WireGuard/UI/macOS/View/KeyValueRow.swift b/WireGuard/WireGuard/UI/macOS/View/KeyValueRow.swift
index 3d3f257..2f037d8 100644
--- a/WireGuard/WireGuard/UI/macOS/View/KeyValueRow.swift
+++ b/WireGuard/WireGuard/UI/macOS/View/KeyValueRow.swift
@@ -108,6 +108,7 @@ class EditableKeyValueRow: NSView {
         key = ""
         value = ""
         isKeyInBold = false
+        observationToken = nil
     }
 }