diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index aeff3d2d863b..252a7ca98a9e 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -2424,6 +2424,7 @@ static struct aa_sfs_entry aa_sfs_entry_versions[] = {
 static struct aa_sfs_entry aa_sfs_entry_policy[] = {
 	AA_SFS_DIR("versions",			aa_sfs_entry_versions),
 	AA_SFS_FILE_BOOLEAN("set_load",		1),
+	AA_SFS_FILE_BOOLEAN("diff-encode",		1),
 	/* number of out of band transitions supported */
 	AA_SFS_FILE_U64("outofband",		MAX_OOB_SUPPORTED),
 	AA_SFS_FILE_U64("permstable32_version",	3),