diff --git a/brozzler/chrome.py b/brozzler/chrome.py
index f908da2..07f942e 100644
--- a/brozzler/chrome.py
+++ b/brozzler/chrome.py
@@ -47,7 +47,7 @@ def check_version(chrome_exe):
     # Chromium 61.0.3163.100 Built on Ubuntu , running on Ubuntu 16.04
     cmd = [chrome_exe, '--version']
     out = subprocess.check_output(cmd, timeout=60)
-    m = re.search(br'(Chromium|Google Chrome) ([\d.]+)', out)
+    m = re.search(br'(Chromium|Google Chrome|Thorium) ([\d.]+)', out)
     if not m:
         sys.exit(
                 'unable to parse browser version from output of '
diff --git a/brozzler/cli.py b/brozzler/cli.py
index c146a48..9788a7d 100755
--- a/brozzler/cli.py
+++ b/brozzler/cli.py
@@ -95,6 +95,7 @@ def configure_logging(args):
 def suggest_default_chrome_exe():
     # mac os x application executable paths
     for path in [
+            '/Applications/Thorium.app/Contents/MacOS/Thorium',
             '/Applications/Chromium.app/Contents/MacOS/Chromium',
             '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome']:
         if os.path.exists(path):