diff --git a/src/ethernet_interface.cpp b/src/ethernet_interface.cpp
index ae539b9..46967f5 100644
--- a/src/ethernet_interface.cpp
+++ b/src/ethernet_interface.cpp
@@ -560,9 +560,22 @@
 
 void EthernetInterface::loadNTPServers(const config::Parser& config)
 {
-    EthernetInterfaceIntf::ntpServers(getNTPServerFromTimeSyncd());
-    EthernetInterfaceIntf::staticNTPServers(
-        config.map.getValueStrings("Network", "NTP"));
+    ServerList ntpServerList = getNTPServerFromTimeSyncd();
+    ServerList staticNTPServers = config.map.getValueStrings("Network", "NTP");
+
+    std::unordered_set<std::string> staticNTPServersSet(
+        staticNTPServers.begin(), staticNTPServers.end());
+    ServerList networkSuppliedServers;
+
+    std::copy_if(ntpServerList.begin(), ntpServerList.end(),
+                 std::back_inserter(networkSuppliedServers),
+                 [&staticNTPServersSet](const std::string& server) {
+                     return staticNTPServersSet.find(server) ==
+                            staticNTPServersSet.end();
+                 });
+
+    EthernetInterfaceIntf::ntpServers(networkSuppliedServers);
+    EthernetInterfaceIntf::staticNTPServers(staticNTPServers);
 }
 
 void EthernetInterface::loadNameServers(const config::Parser& config)