diff --git a/hugo.toml b/hugo.toml
index 426bfc1..bd68ac1 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -1,6 +1,7 @@
 baseURL = "https://necada.org"
 title = "Marek Nečada"
 theme = "researcher"
+defaultContentLanguage = "fi"
 disableKinds = ["taxonomy", "term"]
 enableEmoji = false
 math = false          # enable KaTeX (https://katex.org/) globally
@@ -44,3 +45,10 @@ math = false          # enable KaTeX (https://katex.org/) globally
 
 [markup.goldmark.renderer]
   unsafe = true  # allow raw HTML in markdown files
+
+[languages]
+  [languages.fi]
+    baseURL = 'https://necada.org'
+    languageName = 'suomi'
+    title = 'Marek Nečada'
+    weight = 1