diff --git a/src/_pytest/fixtures.py b/src/_pytest/fixtures.py
index b13d9e703..935d2b9a0 100644
--- a/src/_pytest/fixtures.py
+++ b/src/_pytest/fixtures.py
@@ -172,10 +172,7 @@ def get_parametrized_fixture_keys(
         callspec: CallSpec2 = item.callspec  # type: ignore[attr-defined]
     except AttributeError:
         return
-    # cs.indices is random order of argnames.  Need to
-    # sort this so that different calls to
-    # get_parametrized_fixture_keys will be deterministic.
-    for argname in sorted(callspec.indices):
+    for argname in callspec.indices:
         if callspec._arg2scope[argname] != scope:
             continue
 
diff --git a/testing/python/fixtures.py b/testing/python/fixtures.py
index 0fb5aa450..299e411a6 100644
--- a/testing/python/fixtures.py
+++ b/testing/python/fixtures.py
@@ -2730,12 +2730,12 @@ class TestFixtureMarker:
             """
             test_dynamic_parametrized_ordering.py::test[flavor1-vxlan] PASSED
             test_dynamic_parametrized_ordering.py::test2[flavor1-vxlan] PASSED
-            test_dynamic_parametrized_ordering.py::test[flavor2-vxlan] PASSED
-            test_dynamic_parametrized_ordering.py::test2[flavor2-vxlan] PASSED
-            test_dynamic_parametrized_ordering.py::test[flavor2-vlan] PASSED
-            test_dynamic_parametrized_ordering.py::test2[flavor2-vlan] PASSED
             test_dynamic_parametrized_ordering.py::test[flavor1-vlan] PASSED
             test_dynamic_parametrized_ordering.py::test2[flavor1-vlan] PASSED
+            test_dynamic_parametrized_ordering.py::test[flavor2-vlan] PASSED
+            test_dynamic_parametrized_ordering.py::test2[flavor2-vlan] PASSED
+            test_dynamic_parametrized_ordering.py::test[flavor2-vxlan] PASSED
+            test_dynamic_parametrized_ordering.py::test2[flavor2-vxlan] PASSED
         """
         )