diff --git a/AK/BitCast.h b/AK/BitCast.h
index bb3c28f414..57b7d226ad 100644
--- a/AK/BitCast.h
+++ b/AK/BitCast.h
@@ -9,7 +9,7 @@
 namespace AK {
 
 template<typename T, typename U>
-inline T bit_cast(const U& a)
+[[nodiscard]] inline T bit_cast(const U& a)
 {
 #if (__has_builtin(__builtin_bit_cast))
     return __builtin_bit_cast(T, a);