diff --git a/src/modules/convertible/dbus_acceleration.c b/src/modules/convertible/dbus_acceleration.c
index c15ba3933..20c2f0c40 100644
--- a/src/modules/convertible/dbus_acceleration.c
+++ b/src/modules/convertible/dbus_acceleration.c
@@ -11,7 +11,7 @@
 DbusAccelerometer* accelerometer_dbus;
 
 DbusAccelerometer*
-sensor_proxy_init()
+sensor_proxy_init(void)
 {
    // Initialise DBUS component
    if (accelerometer_dbus)
diff --git a/src/modules/convertible/dbus_acceleration.h b/src/modules/convertible/dbus_acceleration.h
index 0276f5e4b..cd473449f 100644
--- a/src/modules/convertible/dbus_acceleration.h
+++ b/src/modules/convertible/dbus_acceleration.h
@@ -26,7 +26,7 @@ struct _DbusAccelerometer
 /**
  * Fetch the DBUS interfaces and fill the DbusAccelerometer struct
  * */
-DbusAccelerometer* sensor_proxy_init();
+DbusAccelerometer* sensor_proxy_init(void);
 
 
 void