diff --git a/Kernel/Thread.h b/Kernel/Thread.h
index b4dfae9c1d..3a21480b74 100644
--- a/Kernel/Thread.h
+++ b/Kernel/Thread.h
@@ -155,7 +155,7 @@ public:
         Blocked
     };
 
-    class BlockResult {
+    class [[nodiscard]] BlockResult {
     public:
         enum Type {
             WokeNormally,