diff --git a/home/duti.nix b/home/duti.nix
index 080d144..1c8a3ae 100644
--- a/home/duti.nix
+++ b/home/duti.nix
@@ -15,7 +15,7 @@
     kitty public.shell-script
 
     # pdf
-    com.apple.Preview com.adobe.pdf
+    Skim com.adobe.pdf
 
     # mail
     com.apple.Mail public.email-message