diff --git a/headers/os/drivers/fs_interface.h b/headers/os/drivers/fs_interface.h
index cbf23233d5..065b902160 100644
--- a/headers/os/drivers/fs_interface.h
+++ b/headers/os/drivers/fs_interface.h
@@ -8,6 +8,7 @@
 
 #include <ktypes.h>
 #include <vfs_types.h>
+#include <OS.h>
 
 struct dirent;
 struct stat;