diff --git a/tests/commands/install_uninstall_test.py b/tests/commands/install_uninstall_test.py
index cf0f37d2..a3409498 100644
--- a/tests/commands/install_uninstall_test.py
+++ b/tests/commands/install_uninstall_test.py
@@ -258,7 +258,7 @@ def test_environment_not_sourced(tempdir_factory, store):
         assert ret == 1
         assert out == (
             "'pre-commit' not found.  "
-            "Did you forget to activate your virtualenv?\n"
+            'Did you forget to activate your virtualenv?\n'
         )