diff --git a/Makefile b/Makefile
index 407650f..4bfdebc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 # Build the website
 build:
-	mkddocs build
+	mkdocs build
 
 # Serve the website at http://127.0.0.1:8000/~tasiaiso/
 serve:
diff --git a/docs/index.md b/docs/index.md
index 7100817..0f4a541 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -82,6 +82,7 @@ If you like my posts, please consider supporting me on [Liberapay](https://liber
 - add tea's badge
 - move build scripts to a Makefile
 - add johnvertisement
+- add linux badge
 
 ### v1.0.1 (2024-05-18)
 
diff --git a/theme/images/badges/credits.txt b/theme/images/badges/credits.txt
index 6b9be83..9665a4e 100644
--- a/theme/images/badges/credits.txt
+++ b/theme/images/badges/credits.txt
@@ -13,3 +13,5 @@
 
 "Unknown" https://tilde.club tildeclub.gif original
 "Unknown" https://tilde.club tildeclub.png converted
+
+"VoltBun" https://voltbun.neocities.org linux.png original
diff --git a/theme/images/badges/linux.png b/theme/images/badges/linux.png
new file mode 100644
index 0000000..7a70860
Binary files /dev/null and b/theme/images/badges/linux.png differ
diff --git a/theme/main.html b/theme/main.html
index 7fafe6b..758b66a 100644
--- a/theme/main.html
+++ b/theme/main.html
@@ -123,6 +123,9 @@
     <a href="https://tilde.club"
       ><img src="/~tasiaiso/images/badges/tildeclub.png" alt="tilde.club badge"
     /></a>
+    <a href="https://linux.org"
+      ><img src="/~tasiaiso/images/badges/linux.png" alt="tilde.club badge"
+    /></a>
 
     (<a href="/~tasiaiso/images/badges/credits.txt">credits</a>)