diff --git a/flake.nix b/flake.nix
index ee944e8..f8918a4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -152,7 +152,7 @@
           fd "$@" -t f -e css -x prettier --write '{}'
 
           # Format SQL with sql-format
-          fd "$@" -t f -e css -x sql-formatter '{}'
+          fd "$@" -t f -e sql -x sql-formatter --fix '{}' -l postgresql
 
           # Format Markdown with Deno
           fd "$@" -t f -e md -x deno fmt -q '{}'