diff --git a/wrappers/bottom.nix b/wrappers/bottom.nix
index 491c99d..b0fe842 100644
--- a/wrappers/bottom.nix
+++ b/wrappers/bottom.nix
@@ -5,7 +5,7 @@
     {
       wrappers.bottom = {
         basePackage = pkgs.bottom;
-        flags = [ "--group" ];
+        flags = [ "--group_processes" ];
       };
     }
   ];