diff --git a/config/_default/params.toml b/config/_default/params.toml
index 979b3ce..7b49d35 100644
--- a/config/_default/params.toml
+++ b/config/_default/params.toml
@@ -5,7 +5,7 @@
 # Refer to the theme docs for more details about each of these parameters.
 # https://blowfish.page/docs/configuration/#theme-parameters
 
-colorScheme = "Congo"
+colorScheme = "congo"
 defaultAppearance = "dark" # valid options: light or dark
 autoSwitchAppearance = true