diff --git a/lib/matplotlib/tests/test_backends_interactive.py b/lib/matplotlib/tests/test_backends_interactive.py
index 64a0d1ba1e93..e484807789d4 100644
--- a/lib/matplotlib/tests/test_backends_interactive.py
+++ b/lib/matplotlib/tests/test_backends_interactive.py
@@ -350,7 +350,11 @@ def test_cross_Qt_imports():
                 except subprocess.CalledProcessError as ex:
                     # if segfault, carry on.  We do try to warn the user they
                     # are doing something that we do not expect to work
-                    if ex.returncode == -11:
+                    if ex.returncode == -signal.SIGSEGV:
+                        continue
+                    # We got the abort signal which is likely because the Qt5 /
+                    # Qt6 cross import is unhappy, carry on.
+                    elif ex.returncode == -signal.SIGABRT:
                         continue
                     raise