diff --git a/.travis.yml b/.travis.yml
index 073d297abe..5a510a1125 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,9 @@ os:
   - linux
 
 script:
-  - wget http://downloads.arduino.cc/arduino-1.6.5-linux64.tar.xz
-  - tar xf arduino-1.6.5-linux64.tar.xz
-  - mv arduino-1.6.5 $HOME/arduino_ide
+  - wget -O arduino.tar.xz https://www.arduino.cc/download.php?f=/arduino-nightly-linux64.tar.xz
+  - tar xf arduino.tar.xz
+  - mv arduino-nightly $HOME/arduino_ide
   - cd $HOME/arduino_ide/hardware
   - mkdir esp8266com
   - cd esp8266com
diff --git a/libraries/ESP8266WiFiMesh/examples/HelloMesh/HelloMesh.ino b/libraries/ESP8266WiFiMesh/examples/HelloMesh/HelloMesh.ino
index 492605bd03..6a0624f418 100644
--- a/libraries/ESP8266WiFiMesh/examples/HelloMesh/HelloMesh.ino
+++ b/libraries/ESP8266WiFiMesh/examples/HelloMesh/HelloMesh.ino
@@ -4,6 +4,8 @@
 unsigned int request_i = 0;
 unsigned int response_i = 0;
 
+String manageRequest(String request);
+
 /* Create the mesh node object */
 ESP8266WiFiMesh mesh_node = ESP8266WiFiMesh(ESP.getChipId(), manageRequest);