diff --git a/pkgs/development/tools/yarn2nix-moretea/yarn2nix/default.nix b/pkgs/development/tools/yarn2nix-moretea/yarn2nix/default.nix
index 087658fe5513..81d4a36a869c 100644
--- a/pkgs/development/tools/yarn2nix-moretea/yarn2nix/default.nix
+++ b/pkgs/development/tools/yarn2nix-moretea/yarn2nix/default.nix
@@ -174,7 +174,7 @@ in rec {
   let
     package = lib.importJSON packageJSON;
 
-    packageGlobs = package.workspaces;
+    packageGlobs = if lib.isList package.workspaces then package.workspaces else package.workspaces.packages;
 
     globElemToRegex = lib.replaceStrings ["*"] [".*"];