diff --git a/src/add-ons/kernel/file_systems/ntfs/kernel_interface.c b/src/add-ons/kernel/file_systems/ntfs/kernel_interface.c
index e86bf4ce3c..a4412ab1f4 100644
--- a/src/add-ons/kernel/file_systems/ntfs/kernel_interface.c
+++ b/src/add-ons/kernel/file_systems/ntfs/kernel_interface.c
@@ -123,6 +123,7 @@ fs_vnode_ops gNTFSVnodeOps = {
 	&fs_access,
 	&fs_rstat,
 	&fs_wstat,
+	NULL,	// fs_preallocate
 
 	/* file operations */
 	&fs_create,