diff --git a/src/components/ThemeIcon.astro b/src/components/ThemeIcon.astro
index 3c16f11..93ee4c0 100644
--- a/src/components/ThemeIcon.astro
+++ b/src/components/ThemeIcon.astro
@@ -2,7 +2,7 @@
 
 ---
 
-<button id="themeToggle" title="Toggle theme">
+<button id="themeToggle" title="Toggle theme" aria-label="Toggle theme">
   <svg
     width="30px"
     xmlns="http://www.w3.org/2000/svg"