diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 1dee708deb8c09..a631bfc80cfaf0 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -2097,7 +2097,7 @@ def wait_process(pid, *, exitcode, timeout=None):
 
     Raise an AssertionError if the process exit code is not equal to exitcode.
 
-    If the process runs longer than timeout seconds (SHORT_TIMEOUT by default),
+    If the process runs longer than timeout seconds (LONG_TIMEOUT by default),
     kill the process (if signal.SIGKILL is available) and raise an
     AssertionError. The timeout feature is not available on Windows.
     """
@@ -2105,7 +2105,7 @@ def wait_process(pid, *, exitcode, timeout=None):
         import signal
 
         if timeout is None:
-            timeout = SHORT_TIMEOUT
+            timeout = LONG_TIMEOUT
 
         start_time = time.monotonic()
         for _ in sleeping_retry(timeout, error=False):