diff --git a/src/backends/native/meta-input-settings-native.c b/src/backends/native/meta-input-settings-native.c
index 8f61b8bcc..b3fc8df8a 100644
--- a/src/backends/native/meta-input-settings-native.c
+++ b/src/backends/native/meta-input-settings-native.c
@@ -526,6 +526,7 @@ set_device_accel_profile (ClutterInputDevice         *device,
       break;
     default:
       g_warn_if_reached ();
+      G_GNUC_FALLTHROUGH;
     case G_DESKTOP_POINTER_ACCEL_PROFILE_DEFAULT:
       libinput_profile =
         libinput_device_config_accel_get_default_profile (libinput_device);