diff --git a/Kernel/Random.h b/Kernel/Random.h
index faa0f96801..0997e4ddbf 100644
--- a/Kernel/Random.h
+++ b/Kernel/Random.h
@@ -46,9 +46,9 @@ public:
     constexpr static size_t reseed_threshold = 16;
 
     using CipherType = CipherT;
-    using BlockType = CipherT::BlockType;
+    using BlockType = typename CipherT::BlockType;
     using HashType = HashT;
-    using DigestType = HashT::DigestType;
+    using DigestType = typename HashT::DigestType;
 
     FortunaPRNG()
         : m_counter(ByteBuffer::create_zeroed(BlockType::block_size()))