diff --git a/.travis.yml b/.travis.yml
index 3f24008ed..cd9864c95 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,6 +39,8 @@ script:
  - cmake ..
  - make mrustc -j4
  - make minicargo -j4
+ - make rust_standard_libs -j4
+
 # Test
 # - make -f minicargo.mk output/libtest.hir      # libstd
 # - make test    # hello_world