diff --git a/test/test.py b/test/test.py
index 7b1e6ff..9c5e947 100755
--- a/test/test.py
+++ b/test/test.py
@@ -1397,7 +1397,7 @@ class TestBashZshGlobalBase(TestBashZshBase):
             self.sh.run_command("export PATH=$PATH:./bin")
             self.sh.run_command("export PYTHONPATH=.:$PYTHONPATH")
             test_package = os.path.join(TEST_DIR, "test_package")
-            command = "pip install {} --target .".format(test_package)
+            command = "pip install {} --no-build-isolation --target .".format(test_package)
             if not wheel:
                 command += " --no-binary :all:"
             install_output = self.sh.run_command(command)