diff --git a/.travis.yml b/.travis.yml
index c07677e..956e2d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,16 +3,16 @@ before_install:
 - sudo apt-get -qq update
 - sudo apt-get install -y python-serial srecord
 install:
-- mkdir tools
-- git clone https://github.com/themadinventor/esptool.git tools/esptool
-- wget https://github.com/nodemcu/nodemcu-firmware/raw/master/tools/esp-open-sdk.tar.gz -O tools/esp-open-sdk.tar.gz
-- tar -zxvf tools/esp-open-sdk.tar.gz
+- mkdir tools && cd tools
+- git clone https://github.com/themadinventor/esptool.git
+- wget https://github.com/nodemcu/nodemcu-firmware/raw/master/tools/esp-open-sdk.tar.gz
+- tar -zxvf esp-open-sdk.tar.gz
 - export PATH=$PATH:$PWD/esp-open-sdk/xtensa-lx106-elf/bin
-- export SDK_BASE=$PWD/tools/ESP8266_NONOS_SDK
 - chmod +x $PWD/tools/esptool/esptool.py
 - export ESPTOOL=$PWD/tools/esptool/esptool.py
-- wget http://bbs.espressif.com/download/file.php?id=1613 -O tools/ESP8266_NONOS_SDK_V2.0.0_16_07_19.zip
-- unzip tools/ESP8266_NONOS_SDK_V2.0.0_16_07_19.zip
+- wget http://bbs.espressif.com/download/file.php?id=1613 -O ESP8266_NONOS_SDK_V2.0.0_16_07_19.zip
+- unzip ESP8266_NONOS_SDK_V2.0.0_16_07_19.zip
+- export SDK_BASE=$PWD/ESP8266_NONOS_SDK
 script:
 - ls
 - cp include/user_config.sample.h include/user_config.local.h