diff --git a/include/dbus_utility.hpp b/include/dbus_utility.hpp
index 393ffe3..c7fda6d 100644
--- a/include/dbus_utility.hpp
+++ b/include/dbus_utility.hpp
@@ -29,6 +29,7 @@
 #include <span>
 #include <sstream>
 #include <string>
+#include <string_view>
 #include <tuple>
 #include <utility>
 #include <variant>
@@ -157,7 +158,8 @@
 }
 
 inline void getSubTreePaths(
-    const std::string& path, std::span<std::string> interfaces,
+    const std::string& path, int32_t depth,
+    std::span<const std::string_view> interfaces,
     std::function<void(const boost::system::error_code&,
                        const MapperGetSubTreePathsResponse&)>&& callback)
 {
@@ -169,7 +171,7 @@
         },
         "xyz.openbmc_project.ObjectMapper",
         "/xyz/openbmc_project/object_mapper",
-        "xyz.openbmc_project.ObjectMapper", "GetSubTreePaths", path, 0,
+        "xyz.openbmc_project.ObjectMapper", "GetSubTreePaths", path, depth,
         interfaces);
 }