diff --git a/niri/config.kdl b/niri/config.kdl
index 8b81e78..567dd0a 100644
--- a/niri/config.kdl
+++ b/niri/config.kdl
@@ -148,3 +148,9 @@ window-rule {
         off
     }
 }
+
+// Thunar file-operation progress dialog
+window-rule {
+    match app-id="^thunar$" title="^File Operation Progress$"
+    open-floating true
+}