diff --git a/pkgs/desktops/gnome/extensions/extensionRenames.nix b/pkgs/desktops/gnome/extensions/extensionRenames.nix
index 9df97998891f..674720b4eeb2 100644
--- a/pkgs/desktops/gnome/extensions/extensionRenames.nix
+++ b/pkgs/desktops/gnome/extensions/extensionRenames.nix
@@ -13,6 +13,8 @@
   "lockkeys@vaina.lt" = "lock-keys";
   "lockkeys@fawtytoo" = "lock-keys-2";
 
+  "system-monitor@paradoxxx.zero.gmail.com" = "system-monitor"; # manually packaged
+  "System_Monitor@bghome.gmail.com" = "system-monitor-2";
 
 
   # ############################################################################