diff --git a/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp b/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
index 65d7339ac..36545fcbb 100644
--- a/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
+++ b/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
@@ -259,6 +259,9 @@ void HTTPClient::setAuthorization(const char * auth) {
  */
 void HTTPClient::setTimeout(uint16_t timeout) {
     _tcpTimeout = timeout;
+    if(connected()) {
+        _tcp->setTimeout(timeout);
+    }
 }
 
 /**