diff --git a/tools/sdbusplus/templates/signal.aserver.typeid.hpp.mako b/tools/sdbusplus/templates/signal.aserver.typeid.hpp.mako
index 4f24175..5d4f1e9 100644
--- a/tools/sdbusplus/templates/signal.aserver.typeid.hpp.mako
+++ b/tools/sdbusplus/templates/signal.aserver.typeid.hpp.mako
@@ -1,3 +1,7 @@
     static constexpr auto _signal_typeid_${signal.snake_case} =
+% if len(signal.properties) == 0:
+        utility::tuple_to_array(std::make_tuple('\0'));
+% else:
         utility::tuple_to_array(message::types::type_id<\
 ${ ", ".join( [ p.cppTypeParam(interface.name, full=True) for p in signal.properties ]) }>());
+% endif