diff --git a/.travis.yml b/.travis.yml
index 407d838..2b1474b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,6 @@ script:
   - sudo ln -s /usr/bin/gcc-6 /usr/local/bin/gcc
   - export CC=gcc-7
   - cd ./tests
-  - gcc foreach.c -Wall -Wextra -o foreach
+  - gcc foreach.c -Wall -Wextra -o foreach -std=c11
   - ./foreach