diff --git a/hw/rtc/mc146818rtc.c b/hw/rtc/mc146818rtc.c
index 36a2dbf62f..3d2d3854e7 100644
--- a/hw/rtc/mc146818rtc.c
+++ b/hw/rtc/mc146818rtc.c
@@ -1039,6 +1039,7 @@ static void rtc_class_initfn(ObjectClass *klass, void *data)
     dc->vmsd = &vmstate_rtc;
     isa->build_aml = rtc_build_aml;
     device_class_set_props(dc, mc146818rtc_properties);
+    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
 }
 
 static const TypeInfo mc146818rtc_info = {