diff --git a/etc/mac.conf b/etc/mac.conf
index 6e4644518478..2e1b9a24cf7d 100644
--- a/etc/mac.conf
+++ b/etc/mac.conf
@@ -14,4 +14,5 @@
 default_labels file ?biba,?lomac,?mls,?sebsd
 default_labels ifnet ?biba,?lomac,?mls,?sebsd
 default_labels process ?biba,?lomac,?mls,?partition,?sebsd
+default_labels socket ?biba,?lomac,?mls