diff --git a/examples/raw_parameter_script.py b/examples/raw_parameter_script.py
index ebfa2462..951d2083 100755
--- a/examples/raw_parameter_script.py
+++ b/examples/raw_parameter_script.py
@@ -53,6 +53,7 @@ except (ImportError, ValueError):
     sb.use_auto_ext = False
     sb.no_sandbox = False
     sb.disable_gpu = False
+    sb._multithreaded = False
     sb._reuse_session = False
     sb._crumbs = False
     sb.visual_baseline = False
diff --git a/seleniumbase/plugins/pytest_plugin.py b/seleniumbase/plugins/pytest_plugin.py
index 84a8650d..80f5a0e8 100644
--- a/seleniumbase/plugins/pytest_plugin.py
+++ b/seleniumbase/plugins/pytest_plugin.py
@@ -754,9 +754,9 @@ def pytest_configure(config):
     sb_config._html_report_name = None  # The name of the pytest html report
 
     arg_join = " ".join(sys.argv)
-    if ("-n" in sys.argv) or ("-n=" in arg_join):
+    if ("-n" in sys.argv) or (" -n=" in arg_join) or ("-c" in sys.argv):
         sb_config._multithreaded = True
-    if ("--html" in sys.argv or "--html=" in arg_join):
+    if ("--html" in sys.argv or " --html=" in arg_join):
         sb_config._using_html_report = True
         sb_config._html_report_name = config.getoption("htmlpath")
         if sb_config.dashboard:
diff --git a/seleniumbase/plugins/selenium_plugin.py b/seleniumbase/plugins/selenium_plugin.py
index d9a94b47..51c7d35d 100755
--- a/seleniumbase/plugins/selenium_plugin.py
+++ b/seleniumbase/plugins/selenium_plugin.py
@@ -469,6 +469,7 @@ class SeleniumBrowser(Plugin):
         test.test.timeout_multiplier = self.options.timeout_multiplier
         test.test.use_grid = False
         test.test.dashboard = False
+        test.test._multithreaded = False
         test.test._reuse_session = False
         if test.test.servername != "localhost":
             # Use Selenium Grid (Use --server="127.0.0.1" for localhost Grid)