diff --git a/util.hpp b/util.hpp
index f591888..3a5e0bc 100644
--- a/util.hpp
+++ b/util.hpp
@@ -13,12 +13,16 @@
 #include <sdbusplus/bus.hpp>
 #include <string>
 #include <string_view>
+#include <xyz/openbmc_project/Network/EthernetInterface/server.hpp>
 
 namespace phosphor
 {
 namespace network
 {
 
+using EthernetInterfaceIntf =
+    sdbusplus::xyz::openbmc_project::Network::server::EthernetInterface;
+
 constexpr auto IPV4_MIN_PREFIX_LENGTH = 1;
 constexpr auto IPV4_MAX_PREFIX_LENGTH = 32;
 constexpr auto IPV6_MAX_PREFIX_LENGTH = 64;
@@ -156,7 +160,8 @@
  *  @param[in] confDir - Network configuration directory.
  *  @param[in] intf - Interface name.
  */
-bool getDHCPValue(const std::string& confDir, const std::string& intf);
+EthernetInterfaceIntf::DHCPConf getDHCPValue(const std::string& confDir,
+                                             const std::string& intf);
 
 namespace internal
 {