diff --git a/.travis.yml b/.travis.yml
index 896b7a786..dfc1aef89 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,9 @@ language: c
 sudo: required
 dist: trusty
 
+env:
+- CFLAGS=-Wno-absolute-value -Werror
+
 compiler:
   - gcc
   - clang