diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e3cb6069caf8..efce3051f064 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -288,13 +288,13 @@ with pkgs;
 
   # gitlab example
   fetchFromGitLab = {
-    owner, repo, rev, domain ? "gitlab.com", name ? "source",
+    owner, repo, rev, domain ? "gitlab.com", name ? "source", group ? null,
     ... # For hash agility
   }@args: fetchzip ({
     inherit name;
-    url = "https://${domain}/api/v4/projects/${owner}%2F${repo}/repository/archive.tar.gz?sha=${rev}";
-    meta.homepage = "https://${domain}/${owner}/${repo}/";
-  } // removeAttrs args [ "domain" "owner" "repo" "rev" ]) // { inherit rev; };
+    url = "https://${domain}/api/v4/projects/${lib.optionalString (group != null) group+"%2F"}${owner}%2F${repo}/repository/archive.tar.gz?sha=${rev}";
+    meta.homepage = "https://${domain}/${lib.optionalString (group != null) group+"/"}${owner}/${repo}/";
+  } // removeAttrs args [ "domain" "owner" "group" "repo" "rev" ]) // { inherit rev; };
 
   # gitweb example, snapshot support is optional in gitweb
   fetchFromRepoOrCz = {