diff --git a/gallery_dl/cookies.py b/gallery_dl/cookies.py
index ff3f3187a7b..3bc8ffca751 100644
--- a/gallery_dl/cookies.py
+++ b/gallery_dl/cookies.py
@@ -390,7 +390,7 @@ def _get_chromium_based_browser_settings(browser_name):
         "brave"   : "Brave",
         "chrome"  : "Chrome",
         "chromium": "Chromium",
-        "thorium  : "Thorium",
+        "thorium"  : "Thorium",
         "edge"    : "Microsoft Edge" if sys.platform == "darwin" else
                     "Chromium",
         "opera"   : "Opera" if sys.platform == "darwin" else "Chromium",