diff --git a/Kernel/Syscalls/statvfs.cpp b/Kernel/Syscalls/statvfs.cpp
index c0478a3985..3d8c8323fe 100644
--- a/Kernel/Syscalls/statvfs.cpp
+++ b/Kernel/Syscalls/statvfs.cpp
@@ -26,7 +26,7 @@ ErrorOr<FlatPtr> Process::do_statvfs(FileSystem const& fs, Custody const* custod
     kernelbuf.f_ffree = fs.free_inode_count();
     kernelbuf.f_favail = fs.free_inode_count(); // FIXME: same as f_bavail
 
-    kernelbuf.f_fsid = 0; // FIXME: Implement "Filesystem ID" into Filesystem
+    kernelbuf.f_fsid = fs.fsid();
 
     kernelbuf.f_namemax = 255;