diff --git a/roles/service-fastd-intragate/templates/fastd-intragate.conf.j2 b/roles/service-fastd-intragate/templates/fastd-intragate.conf.j2
index d9e435d..fb46a4c 100644
--- a/roles/service-fastd-intragate/templates/fastd-intragate.conf.j2
+++ b/roles/service-fastd-intragate/templates/fastd-intragate.conf.j2
@@ -24,7 +24,7 @@ peer group "servers" {
 
 on up "
     ip link set $INTERFACE down
-    ip link set address {{ mac }} dev $INTERFACE
+    ip link set address {{ mac | hwaddr('linux') }} dev $INTERFACE
     ip link set $INTERFACE up
 
     batctl -m {{ item.key }}BAT if add $INTERFACE
diff --git a/roles/service-fastd-mesh/templates/fastd-mesh.conf.j2 b/roles/service-fastd-mesh/templates/fastd-mesh.conf.j2
index 33d919c..9345fad 100644
--- a/roles/service-fastd-mesh/templates/fastd-mesh.conf.j2
+++ b/roles/service-fastd-mesh/templates/fastd-mesh.conf.j2
@@ -31,7 +31,7 @@ peer group "servers" {
 
 on up "
     ip link set $INTERFACE down
-    ip link set address {{ mac }} dev $INTERFACE
+    ip link set address {{ mac | hwaddr('linux') }} dev $INTERFACE
     ip link set $INTERFACE up
 
     batctl -m {{ item.key }}BAT if add $INTERFACE