diff --git a/wv-window.rkt b/wv-window.rkt
index 300c8d0..3a25353 100644
--- a/wv-window.rkt
+++ b/wv-window.rkt
@@ -386,7 +386,7 @@
       )
 
     (define/public (set-attr! selector key-values)
-      (webview-set-attr! wv selector key-values)
+      (webview-set-attr! wv selector key-vaues))
 
     (define/public (set-title! title)
       (webview-set-title! wv title))