diff --git a/pkgs/by-name/un/unstructured-api/package.nix b/pkgs/by-name/un/unstructured-api/package.nix
index 6e996053ba4e..28cef6409579 100644
--- a/pkgs/by-name/un/unstructured-api/package.nix
+++ b/pkgs/by-name/un/unstructured-api/package.nix
@@ -101,7 +101,7 @@ let
       pypdfium2
       python-dateutil
       python-docx
-      # python-iso639
+      python-iso639
       python-magic
       python-multipart
       # python-oxmsg