diff --git a/AK/Random.h b/AK/Random.h
index 0eb8bab92bc..4598652dce0 100644
--- a/AK/Random.h
+++ b/AK/Random.h
@@ -20,7 +20,7 @@ namespace AK {
 
 inline void fill_with_random([[maybe_unused]] Bytes bytes)
 {
-#if defined(AK_OS_SERENITY) || defined(AK_OS_ANDROID) || defined(AK_OS_BSD_GENERIC) || AK_LIBC_GLIBC_PREREQ(2, 36)
+#if defined(AK_OS_SERENITY) || defined(AK_OS_ANDROID) || defined(AK_OS_BSD_GENERIC) || defined(AK_OS_HAIKU) || AK_LIBC_GLIBC_PREREQ(2, 36)
     arc4random_buf(bytes.data(), bytes.size());
 #elif defined(OSS_FUZZ)
 #else