diff --git a/rust/agama-dbus-server/src/network/dbus/interfaces.rs b/rust/agama-dbus-server/src/network/dbus/interfaces.rs
index 9270281150..bb28d1202b 100644
--- a/rust/agama-dbus-server/src/network/dbus/interfaces.rs
+++ b/rust/agama-dbus-server/src/network/dbus/interfaces.rs
@@ -242,13 +242,13 @@ impl Connection {
     /// Custom mac-address
     #[dbus_interface(property)]
     pub async fn mac_address(&self) -> String {
-        self.get_connection().await.mac_address_string()
+        self.get_connection().await.base().mac_address_string()
     }
 
     #[dbus_interface(property)]
     pub async fn set_mac_address(&mut self, mac_address: &str) -> zbus::fdo::Result<()> {
         let mut connection = self.get_connection().await;
-        connection.set_mac_address(mac_address)?;
+        connection.base_mut().set_mac_address(mac_address)?;
         self.update_connection(connection).await
     }
 }
diff --git a/rust/agama-dbus-server/src/network/model.rs b/rust/agama-dbus-server/src/network/model.rs
index c8c721bab3..b83616a451 100644
--- a/rust/agama-dbus-server/src/network/model.rs
+++ b/rust/agama-dbus-server/src/network/model.rs
@@ -307,22 +307,6 @@ impl Connection {
         matches!(self, Connection::Loopback(_))
     }
 
-    pub fn mac_address_string(&self) -> String {
-        match &self.base().mac_address {
-            Some(mac) => mac.to_string(),
-            None => "".to_string(),
-        }
-    }
-
-    pub fn set_mac_address(&mut self, mac_address: &str) -> Result<(), InvalidMacAddress> {
-        self.base_mut().mac_address = if mac_address.is_empty() {
-            None
-        } else {
-            Some(MacAddress::from_str(mac_address)?)
-        };
-        Ok(())
-    }
-
     pub fn is_ethernet(&self) -> bool {
         matches!(self, Connection::Loopback(_)) || matches!(self, Connection::Ethernet(_))
     }
@@ -339,6 +323,24 @@ pub struct BaseConnection {
     pub match_config: MatchConfig,
 }
 
+impl BaseConnection {
+    pub fn mac_address_string(&self) -> String {
+        match &self.mac_address {
+            Some(mac) => mac.to_string(),
+            None => "".to_string(),
+        }
+    }
+
+    pub fn set_mac_address(&mut self, mac_address: &str) -> Result<(), InvalidMacAddress> {
+        self.mac_address = if mac_address.is_empty() {
+            None
+        } else {
+            Some(MacAddress::from_str(mac_address)?)
+        };
+        Ok(())
+    }
+}
+
 impl PartialEq for BaseConnection {
     fn eq(&self, other: &Self) -> bool {
         self.id == other.id && self.uuid == other.uuid && self.ip_config == other.ip_config
diff --git a/rust/agama-dbus-server/src/network/nm/dbus.rs b/rust/agama-dbus-server/src/network/nm/dbus.rs
index 8cc7b385aa..7d756f7ba6 100644
--- a/rust/agama-dbus-server/src/network/nm/dbus.rs
+++ b/rust/agama-dbus-server/src/network/nm/dbus.rs
@@ -35,7 +35,7 @@ pub fn connection_to_dbus(conn: &Connection) -> NestedHash {
     if conn.is_ethernet() {
         let ethernet_config = HashMap::from([(
             "assigned-mac-address",
-            Value::new(conn.mac_address_string()),
+            Value::new(conn.base().mac_address_string()),
         )]);
         result.insert(ETHERNET_KEY, ethernet_config);
     } else if let Connection::Wireless(wireless) = conn {
@@ -226,10 +226,7 @@ fn wireless_config_to_dbus(conn: &WirelessConnection) -> NestedHash {
         ("ssid", Value::new(config.ssid.to_vec())),
         (
             "assigned-mac-address",
-            Value::new(match &conn.base.mac_address {
-                Some(mac) => mac.to_string(),
-                None => "".to_string(),
-            }),
+            Value::new(conn.base.mac_address_string()),
         ),
     ]);
 
@@ -626,7 +623,7 @@ mod test {
         let match_config = connection.match_config();
         assert_eq!(match_config.kernel, vec!["pci-0000:00:19.0"]);
 
-        assert_eq!(connection.mac_address_string(), "12:34:56:78:9A:BC");
+        assert_eq!(connection.base().mac_address_string(), "12:34:56:78:9A:BC");
 
         assert_eq!(
             ip_config.addresses,
@@ -870,7 +867,7 @@ mod test {
 
         let mut updated = Connection::Ethernet(EthernetConnection::default());
         updated.set_interface("");
-        assert!(updated.set_mac_address("").is_ok());
+        assert!(updated.base_mut().set_mac_address("").is_ok());
         let updated = connection_to_dbus(&updated);
 
         let merged = merge_dbus_connections(&original, &updated);