diff --git a/src/_pytest/terminal.py b/src/_pytest/terminal.py
index 1f20b05c1..fbc330923 100644
--- a/src/_pytest/terminal.py
+++ b/src/_pytest/terminal.py
@@ -5,7 +5,6 @@ This is a good source for looking at the various reporting hooks.
 import argparse
 import datetime
 import inspect
-import os
 import platform
 import sys
 import warnings
@@ -37,6 +36,7 @@ from _pytest import timing
 from _pytest._code import ExceptionInfo
 from _pytest._code.code import ExceptionRepr
 from _pytest._io.wcwidth import wcswidth
+from _pytest.assertion.util import running_on_ci
 from _pytest.compat import final
 from _pytest.config import _PluggyPlugin
 from _pytest.config import Config
@@ -1296,7 +1296,7 @@ def _get_line_with_reprcrash_message(
     except AttributeError:
         pass
     else:
-        if not os.environ.get("CI", False):
+        if not running_on_ci():
             available_width = termwidth - line_width
             msg = _format_trimmed(" - {}", msg, available_width)
         else: