diff --git a/test.py b/test.py
index 45218d5f9c..94f2b8d628 100755
--- a/test.py
+++ b/test.py
@@ -376,6 +376,8 @@ def run_pytest(options: argparse.Namespace) -> tuple[int, list[SimpleNamespace]]
         args.append(f'-k={" and ".join([f"not {pattern}" for pattern in options.skip_patterns])}')
     if options.k:
         args.append(f'-k={options.k}')
+    if options.extra_scylla_cmdline_options:
+        args.append(f'--extra-scylla-cmdline-options={options.extra_scylla_cmdline_options}')
     if not options.save_log_on_success:
         args.append('--allure-no-capture')
     else:
diff --git a/test/pylib/cpp/base.py b/test/pylib/cpp/base.py
index 1cd05685a0..016be7ce93 100644
--- a/test/pylib/cpp/base.py
+++ b/test/pylib/cpp/base.py
@@ -22,6 +22,7 @@ from scripts import coverage as coverage_script
 from test import DEBUG_MODES, TEST_DIR, TOP_SRC_DIR, path_to
 from test.pylib.resource_gather import get_resource_gather
 from test.pylib.runner import BUILD_MODE, RUN_ID, TEST_SUITE
+from test.pylib.scylla_cluster import merge_cmdline_options
 
 if TYPE_CHECKING:
     from collections.abc import Iterator, Sequence
@@ -116,7 +117,7 @@ class CppFile(pytest.File, ABC):
 
     @cached_property
     def test_args(self) -> list[str]:
-        args = [*DEFAULT_SCYLLA_ARGS, *self.suite_config.get("extra_scylla_cmdline_options", [])]
+        args = merge_cmdline_options(DEFAULT_SCYLLA_ARGS, self.suite_config.get("extra_scylla_cmdline_options", []))
         if x_log2_compaction_groups := self.config.getoption("--x-log2-compaction-groups"):
             if all_can_run_compaction_groups_except := self.suite_config.get("all_can_run_compaction_groups_except"):
                 if self.test_name not in all_can_run_compaction_groups_except:
diff --git a/test/pylib/runner.py b/test/pylib/runner.py
index 2fc40ccfbb..ed9c5b9474 100644
--- a/test/pylib/runner.py
+++ b/test/pylib/runner.py
@@ -24,6 +24,7 @@ import xdist
 import yaml
 
 from test import ALL_MODES, DEBUG_MODES, TEST_RUNNER, TOP_SRC_DIR, TESTPY_PREPARED_ENVIRONMENT
+from test.pylib.scylla_cluster import merge_cmdline_options
 from test.pylib.suite.base import (
     SUITE_CONFIG_FILENAME,
     TestSuite,
@@ -347,6 +348,11 @@ class TestSuiteConfig:
             if suite is None:
                 suite = cls.from_pytest_node(node=node.parent)
         if suite:
+            extra_opts = node.config.getoption("--extra-scylla-cmdline-options")
+            if extra_opts:
+                extra_cmd = suite.cfg.get('extra_scylla_cmdline_options', [])
+                extra_cmd = merge_cmdline_options(extra_cmd, extra_opts.split())
+                suite.cfg['extra_scylla_cmdline_options'] = extra_cmd
             node.stash[TEST_SUITE] = suite
         return suite