diff --git a/test/support/generators.ex b/test/support/generators.ex
index e41d832..0965610 100644
--- a/test/support/generators.ex
+++ b/test/support/generators.ex
@@ -119,7 +119,7 @@ defmodule DecentralisedBookIndex.Generators do
     count =
       opts[:count] || 2
 
-    types = ["isbn10", "isbn13", "asin"]
+    types = ["isbn", "isbn13", "asin"]
 
     if count > length(types), do: count = length(types)