diff --git a/.travis.yml b/.travis.yml
index 13946ae7..9f1d4bbd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -155,7 +155,7 @@ install:
 before_script:
   - export CXX=${COMPILER}
   - cd ${TRAVIS_BUILD_DIR}
-  - cmake -H. -BBuild -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
+  - cmake -H. -BBuild -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -Wdev
   - cd Build
 
 script: