diff --git a/src/allocator.rs b/src/allocator.rs
index b03d81b2..9ce4a887 100644
--- a/src/allocator.rs
+++ b/src/allocator.rs
@@ -1,6 +1,6 @@
 use alloc::alloc::{GlobalAlloc, Layout};
 use core::ptr::null_mut;
-use linked_list::LinkedListAllocator;
+use fixed_size_block::FixedSizeBlockAllocator;
 use x86_64::{
     structures::paging::{
         mapper::MapToError, FrameAllocator, Mapper, Page, PageTableFlags, Size4KiB,
@@ -16,7 +16,7 @@ pub const HEAP_START: usize = 0x_4444_4444_0000;
 pub const HEAP_SIZE: usize = 100 * 1024; // 100 KiB
 
 #[global_allocator]
-static ALLOCATOR: Locked<LinkedListAllocator> = Locked::new(LinkedListAllocator::new());
+static ALLOCATOR: Locked<FixedSizeBlockAllocator> = Locked::new(FixedSizeBlockAllocator::new());
 
 pub fn init_heap(
     mapper: &mut impl Mapper<Size4KiB>,