diff --git a/NTPClient.cpp b/NTPClient.cpp
index 760e142..82207ba 100755
--- a/NTPClient.cpp
+++ b/NTPClient.cpp
@@ -174,7 +174,12 @@ void NTPClient::setUpdateInterval(unsigned long updateInterval) {
 }
 
 void NTPClient::setPoolServerName(const char* poolServerName) {
-    this->_poolServerName = poolServerName;
+  this->_poolServerName = poolServerName;
+}
+
+void NTPClient::setPoolServerIP(IPAddress poolServerIP) {
+  this->_poolServerName = NULL;
+  this->_poolServerIP = poolServerIP;
 }
 
 void NTPClient::sendNTPPacket() {
diff --git a/NTPClient.h b/NTPClient.h
index b518c28..bc325d3 100755
--- a/NTPClient.h
+++ b/NTPClient.h
@@ -44,6 +44,13 @@ class NTPClient {
      */
     void setPoolServerName(const char* poolServerName);
 
+    /**
+     * Set time server IP
+     *
+     * @param poolServerIP
+     */
+    void setPoolServerIP(IPAddress poolServerIP);
+
      /**
      * Set random local port
      */