diff --git a/iop/config b/iop/config
index 5e54abc76..c3ccb94c3 100644
--- a/iop/config
+++ b/iop/config
@@ -67,6 +67,8 @@ CONFIG_PACKAGE_map-controller=m
 CONFIG_PACKAGE_map-topology=y
 CONFIG_PACKAGE_decollector=y
 
+CONFIG_IEEE1905_CMDU_SA_IS_ALMAC=y
+
 # Network #
 CONFIG_PACKAGE_netmode=y
 CONFIG_PACKAGE_urlfilter=y