diff --git a/External-themes.md b/External-themes.md
index 073aca9..26ee05f 100644
--- a/External-themes.md
+++ b/External-themes.md
@@ -435,7 +435,7 @@ author: [@badouralix](https://github.com/badouralix)
 
 #### alien
 
-![alien theme](https://github.com/eendroroy/alien/raw/images/images/alien-mac.png "alien theme preview")
+[![asciicast](https://asciinema.org/a/121489.png)](https://asciinema.org/a/121489)
 
 ##### Features