diff --git a/networkDevices/EthLan8720Device.cpp b/networkDevices/EthLan8720Device.cpp
index 98f2e60..f9eb6a4 100644
--- a/networkDevices/EthLan8720Device.cpp
+++ b/networkDevices/EthLan8720Device.cpp
@@ -107,7 +107,7 @@ bool EthLan8720Device::isConnected()
 
     if(_lastConnected == false && connected == true)
     {
-        Serial.print("Ethernet connected. IP address: ");
+        Serial.print(F("Ethernet connected. IP address: "));
         Serial.println(ETH.localIP().toString());
     }
 
diff --git a/networkDevices/W5500Device.cpp b/networkDevices/W5500Device.cpp
index 93c3343..08eec47 100644
--- a/networkDevices/W5500Device.cpp
+++ b/networkDevices/W5500Device.cpp
@@ -164,7 +164,17 @@ bool W5500Device::supportsEncryption()
 
 bool W5500Device::isConnected()
 {
-    return Ethernet.linkStatus() == EthernetLinkStatus::LinkON && _maintainResult == 0 && _hasDHCPAddress;
+    bool connected = (Ethernet.linkStatus() == EthernetLinkStatus::LinkON && _maintainResult == 0 && _hasDHCPAddress);
+
+    if(_lastConnected == false && connected == true)
+    {
+        Serial.print(F("Ethernet connected. IP address: "));
+        Serial.println(Ethernet.localIP().toString());
+    }
+
+    _lastConnected = connected;
+
+    return connected;
 }
 
 void W5500Device::initializeMacAddress(byte *mac)
diff --git a/networkDevices/W5500Device.h b/networkDevices/W5500Device.h
index d6dbd16..12a964d 100644
--- a/networkDevices/W5500Device.h
+++ b/networkDevices/W5500Device.h
@@ -71,6 +71,7 @@ private:
     bool _hasDHCPAddress = false;
     char* _path;
     W5500Variant _variant;
+    bool _lastConnected = false;
 
     byte _mac[6];
 };
\ No newline at end of file