diff --git a/astro.config.mjs b/astro.config.mjs
index 391d5ec..c70af5d 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -10,6 +10,7 @@ import { unified } from "@astrojs/markdown-remark";
 import { h } from "hastscript";
 import { visit } from "unist-util-visit";
 import sitemap from "@astrojs/sitemap";
+import { LOCALES, DEFAULT_LOCALE, normalizeLangTag } from "./src/lib/i18n";
 
 const rehypeTrimTrailingDashes = () => (tree) => {
   const walk = (node) => {
@@ -100,6 +101,9 @@ export function rehypeAutoVideo() {
   };
 }
 
+const locales = {};
+LOCALES.forEach((locale) => (locales[locale] = normalizeLangTag(locale)));
+
 // https://astro.build/config
 export default defineConfig({
   site: "https://andromeda.zenfyr.dev",
@@ -122,5 +126,12 @@ export default defineConfig({
     }),
   },
 
-  integrations: [sitemap()],
+  integrations: [
+    sitemap({
+      i18n: {
+        defaultLocale: DEFAULT_LOCALE,
+        locales: locales,
+      },
+    }),
+  ],
 });
diff --git a/src/components/BaseHead.astro b/src/components/BaseHead.astro
index 2f29fc9..687de7f 100644
--- a/src/components/BaseHead.astro
+++ b/src/components/BaseHead.astro
@@ -5,11 +5,12 @@ import "katex/dist/katex.min.css";
 
 interface Props {
   title: string;
+  canonical?: string;
   description?: string;
   tags?: string[];
 }
 
-const { title, description, tags = [] } = Astro.props;
+const { title, description, canonical, tags = [] } = Astro.props;
 ---
 
 <head>
@@ -20,6 +21,8 @@ const { title, description, tags = [] } = Astro.props;
   <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
   <meta name="generator" content={Astro.generator} />
 
+  {canonical && <link rel="canonical" href={canonical} />}
+
   <title>{title}</title>
   <meta name="title" content={title} />
   {description && <meta name="description" content={description} />}
diff --git a/src/layouts/BasePage.astro b/src/layouts/BasePage.astro
index 8ca0860..226efab 100644
--- a/src/layouts/BasePage.astro
+++ b/src/layouts/BasePage.astro
@@ -7,16 +7,17 @@ import "./base.css";
 type Props = {
   title: string;
   locale: string;
+  canonical?: string;
   tags?: string[];
   description?: string;
 };
 
-const { title, locale, tags, description } = Astro.props;
+const { title, locale, tags, description, canonical } = Astro.props;
 const lang = normalizeLangTag(locale);
 ---
 
 <html {lang}>
-  <BaseHead {title} {description} {tags} />
+  <BaseHead {title} {description} {tags} {canonical} />
   <body> <slot /> </body><script is:inline>
     document.querySelectorAll(".lazy-video").forEach((video) => {
       const observer = new IntersectionObserver(
diff --git a/src/layouts/WikiLayout.astro b/src/layouts/WikiLayout.astro
index da62cd7..248c234 100644
--- a/src/layouts/WikiLayout.astro
+++ b/src/layouts/WikiLayout.astro
@@ -29,6 +29,7 @@ const {
   page,
 } = Astro.props;
 const version = currentVersion ?? DEFAULT_VERSION;
+const canonical = `${Astro.url.origin}/${page}/`;
 
 const content = headings.filter((h) => h.depth == 2);
 ---
@@ -37,6 +38,7 @@ const content = headings.filter((h) => h.depth == 2);
   title={`${title} | ${t(locale, "base.title")} (${version.semver})`}
   {locale}
   {description}
+  {canonical}
   tags={["minecraft", "andromeda", "mod"]}
 >
   <div class="wrapper">