diff --git a/.travis.yml b/.travis.yml
index a10b098..3493a8c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ env:
     - CPU="esp8266" BOARD="esp8266com:esp8266:generic:xtal=80" IDE_VERSION=1.6.5
     - CPU="esp8266" BOARD="esp8266com:esp8266:generic:xtal=80,eesz=1M,FlashMode=qio,FlashFreq=80" IDE_VERSION=1.8.5
     - CPU="esp8266" BOARD="esp8266com:esp8266:generic:xtal=80,eesz=1M,FlashMode=qio,FlashFreq=80" IDE_VERSION=1.8.7
-    - CPU="esp8266" BOARD="esp8266com:esp8266:generic:xtal=80,Debug=Serial1" IDE_VERSION=1.6.5
+    - CPU="esp8266" BOARD="esp8266com:esp8266:generic:xtal=80,dbg=Serial1" IDE_VERSION=1.6.5
     - CPU="esp32" BOARD="espressif:esp32:esp32:FlashFreq=80" IDE_VERSION=1.6.5
     - CPU="esp32" BOARD="espressif:esp32:esp32:FlashFreq=80" IDE_VERSION=1.8.5
     - CPU="esp32" BOARD="espressif:esp32:esp32:FlashFreq=80" IDE_VERSION=1.8.7