diff --git a/kernel/src/fs/tmpfs/FileSystem.h b/kernel/src/fs/tmpfs/FileSystem.h
index 77c012c1..b92a5072 100644
--- a/kernel/src/fs/tmpfs/FileSystem.h
+++ b/kernel/src/fs/tmpfs/FileSystem.h
@@ -1,5 +1,6 @@
 #pragma once
 #include "fs/VFS.h"
+#include <luna/Atomic.h>
 #include <luna/Badge.h>
 #include <luna/Vector.h>
 
@@ -27,7 +28,7 @@ namespace TmpFS
         SharedPtr<VFS::Inode> m_root_inode;
         Vector<SharedPtr<VFS::Inode>> m_inodes;
 
-        usize m_next_inode_number { 2 };
+        Atomic<usize> m_next_inode_number { 2 };
     };
 
     class Inode : public VFS::FileInode