diff --git a/.travis.yml b/.travis.yml
index b0d3497..0ebdf85 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ addons:
 before_install:
     - sudo add-apt-repository ppa:team-gcc-arm-embedded/ppa
     - sudo apt-get update -q
-	- sudo apt-get install -y gcc-arm-embedded
+    - sudo apt-get install -y gcc-arm-embedded
 script:
   - export CC=gcc-7
   - make travis