diff --git a/src/hooks/useDarkMode.js b/src/hooks/useDarkMode.js
index 8bff3dd..c8cbb4e 100644
--- a/src/hooks/useDarkMode.js
+++ b/src/hooks/useDarkMode.js
@@ -39,7 +39,7 @@ export default function useDarkMode() {
   }, [])
 
   useEffect(() => {
-    if (!isClient) return
+    if (!isClient || process.env.NODE_ENV === 'test') return
 
     const darkModeQuery = window.matchMedia('(prefers-color-scheme: dark)')