diff --git a/kernel/src/memory/Heap.cpp b/kernel/src/memory/Heap.cpp
index ec590d74..fa663dce 100644
--- a/kernel/src/memory/Heap.cpp
+++ b/kernel/src/memory/Heap.cpp
@@ -175,7 +175,7 @@ Result<void*> kmalloc(usize size, bool should_scrub)
 
     size = align_up<16>(size);
 
-    if (!heap.first().has_value())
+    if (heap.count() == 0)
     {
         const usize pages = get_pages_for_allocation(size + sizeof(HeapBlock));
         HeapBlock* const block = TRY(allocate_pages(pages));