diff --git a/config.nix b/config.nix
index a732c0e..8fe1a96 100644
--- a/config.nix
+++ b/config.nix
@@ -270,7 +270,7 @@
         name = "jsonnet";
         auto-format = true;
         formatter = {
-          command = "${lib.getExe' jsonnet "jsonnet"}";
+          command = "${lib.getExe' jsonnet "jsonnetfmt"}";
           args = [ "-" ];
         };
       }