diff --git a/.travis.yml b/.travis.yml
index 8b24fd1..74a2a2f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,5 +24,6 @@ script:
   - make -C build/gmake -f test.make
   - make -C build/gmake -f example.make 
   - cd bin
-  - valgrind --leak-check=full ./unittest_${config_suffix}
+  - ./unittest_${config_suffix}
+  - valgrind --leak-check=full --error-exitcode=1 ./unittest_${config_suffix}
   - ./perftest_${config_suffix}