diff --git a/test/test.cpp b/test/test.cpp
index d36aa24..407a0cc 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -207,7 +207,9 @@
         },
         {
             "xyz.openbmc_project.Example.Iface2",
-            {{"ExampleProperty2", "test2"s}, {"ExampleProperty3", 0ll}}
+            {   {"ExampleProperty2", "test2"s},
+                {"ExampleProperty3", static_cast<int64_t>(0ll)}
+            }
         },
     };