diff --git a/Lib/test/test_pyrepl/test_pyrepl.py b/Lib/test/test_pyrepl/test_pyrepl.py
index a10e908e513db90..9ea74971e2e89d7 100644
--- a/Lib/test/test_pyrepl/test_pyrepl.py
+++ b/Lib/test/test_pyrepl/test_pyrepl.py
@@ -1950,6 +1950,8 @@ def test_no_newline(self):
         env = os.environ.copy()
         env.pop("PYTHON_BASIC_REPL", "")
         env["PYTHON_BASIC_REPL"] = "1"
+        # Ensure user's .inputrc doesn't interfere with basic REPL output
+        env["INPUTRC"] = "/dev/null"
 
         commands = "print('Something pretty long', end='')\nexit()\n"
         expected_output_sequence = "Something pretty long>>> exit()"