diff --git a/libnm-glib/nm-device-wifi.c b/libnm-glib/nm-device-wifi.c
index 530fa441af..0341983f1d 100644
--- a/libnm-glib/nm-device-wifi.c
+++ b/libnm-glib/nm-device-wifi.c
@@ -50,7 +50,7 @@ typedef struct {
 	guint32 rate;
 	NMAccessPoint *active_ap;
 	gboolean null_active_ap;
-	guint32 wireless_caps;
+	NMDeviceWifiCapabilities wireless_caps;
 	GPtrArray *aps;
 
 	gboolean wireless_enabled;
@@ -233,7 +233,7 @@ nm_device_wifi_get_bitrate (NMDeviceWifi *device)
  *
  * Returns: the capabilities
  **/
-guint32
+NMDeviceWifiCapabilities
 nm_device_wifi_get_capabilities (NMDeviceWifi *device)
 {
 	NMDeviceWifiPrivate *priv;
diff --git a/libnm-glib/nm-device-wifi.h b/libnm-glib/nm-device-wifi.h
index 21f3558af3..fb2ab27da9 100644
--- a/libnm-glib/nm-device-wifi.h
+++ b/libnm-glib/nm-device-wifi.h
@@ -67,17 +67,17 @@ GType nm_device_wifi_get_type (void);
 
 GObject *nm_device_wifi_new (DBusGConnection *connection, const char *path);
 
-const char *    nm_device_wifi_get_hw_address           (NMDeviceWifi *device);
-const char *    nm_device_wifi_get_permanent_hw_address (NMDeviceWifi *device);
-NM80211Mode     nm_device_wifi_get_mode                 (NMDeviceWifi *device);
-guint32         nm_device_wifi_get_bitrate              (NMDeviceWifi *device);
-guint32         nm_device_wifi_get_capabilities         (NMDeviceWifi *device);
-NMAccessPoint * nm_device_wifi_get_active_access_point  (NMDeviceWifi *device);
+const char *             nm_device_wifi_get_hw_address           (NMDeviceWifi *device);
+const char *             nm_device_wifi_get_permanent_hw_address (NMDeviceWifi *device);
+NM80211Mode              nm_device_wifi_get_mode                 (NMDeviceWifi *device);
+guint32                  nm_device_wifi_get_bitrate              (NMDeviceWifi *device);
+NMDeviceWifiCapabilities nm_device_wifi_get_capabilities         (NMDeviceWifi *device);
+NMAccessPoint *          nm_device_wifi_get_active_access_point  (NMDeviceWifi *device);
 
-NMAccessPoint * nm_device_wifi_get_access_point_by_path (NMDeviceWifi *device,
-                                                         const char *path);
+NMAccessPoint *          nm_device_wifi_get_access_point_by_path (NMDeviceWifi *device,
+                                                                  const char *path);
 
-const GPtrArray *nm_device_wifi_get_access_points       (NMDeviceWifi *device);
+const GPtrArray *        nm_device_wifi_get_access_points        (NMDeviceWifi *device);
 
 G_END_DECLS