diff --git a/modules/misc/news/create-news-entry.sh b/modules/misc/news/create-news-entry.sh
index 512b63e64..689f264b5 100755
--- a/modules/misc/news/create-news-entry.sh
+++ b/modules/misc/news/create-news-entry.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#! nix-shell -I https://github.com/NixOS/nixpkgs/archive/05f0934825c2a0750d4888c4735f9420c906b388.tar.gz -i bash -p coreutils
+#! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/05f0934825c2a0750d4888c4735f9420c906b388.tar.gz -i bash -p coreutils
 
 DATE="$(date --iso-8601=second --universal)"
 YEAR="$(date --date="$DATE" +"%Y")"