diff --git a/npm_install.py b/npm_install.py
index 0e84701..7cff2bb 100644
--- a/npm_install.py
+++ b/npm_install.py
@@ -2234,8 +2234,9 @@ def _build_frontend(src_frontend: Path, dest_frontend: Path):
             try:
                 env = os.environ.copy()
                 env["NPM_CONFIG_WORKSPACES"] = ""
+                env["NPM_CONFIG_WORKSPACE"] = ""
                 subprocess.run(
-                    ["npm", "install", "-g", "@yarnpkg/cli", "--workspace="],
+                    ["npm", "install", "-g", "@yarnpkg/cli"],
                     check=False, cwd="/tmp", env=env,
                 )
                 
@@ -2256,8 +2257,9 @@ def _build_frontend(src_frontend: Path, dest_frontend: Path):
                 try:
                     env = os.environ.copy()
                     env["NPM_CONFIG_WORKSPACES"] = ""
+                    env["NPM_CONFIG_WORKSPACE"] = ""
                     subprocess.run(
-                        ["npm", "install", "-g", "yarn@1", "--workspace="],
+                        ["npm", "install", "-g", "yarn@1"],
                         check=False, cwd="/tmp", env=env,
                     )
                 except Exception:
@@ -2268,8 +2270,9 @@ def _build_frontend(src_frontend: Path, dest_frontend: Path):
                     # Uninstall any global yarn 4.x first
                     env = os.environ.copy()
                     env["NPM_CONFIG_WORKSPACES"] = ""
+                    env["NPM_CONFIG_WORKSPACE"] = ""
                     subprocess.run(
-                        ["npm", "uninstall", "-g", "@yarnpkg/cli", "--workspace="],
+                        ["npm", "uninstall", "-g", "@yarnpkg/cli"],
                         check=False, cwd="/tmp", env=env,
                     )