diff --git a/lib.nix b/lib.nix
index b50e1c0..072bfed 100644
--- a/lib.nix
+++ b/lib.nix
@@ -109,7 +109,7 @@ in
     #   '';
     {
       processes."${name}" = {
-        command = "${package}/bin/postgresql -D ${data_dir} --config-file ${configFile}";
+        command = "${package}/bin/postgres -D ${data_dir} --config-file ${configFile}";
       };
     };
 }