diff --git a/.travis.yml b/.travis.yml
index 4a9d238ab9..b98ee99710 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -61,6 +61,11 @@ script:
   # run coveralls coverage analysis (try to, even if some builds/tests failed)
   - (cd ports/unix && coveralls --root ../.. --build-root . --gcov $(which gcov) --gcov-options '\-o build-coverage/' --include py --include extmod)
 
+  # run tests on stackless build
+  - rm -rf ports/unix/build-coverage
+  - make -C ports/unix coverage CFLAGS_EXTRA="-DMICROPY_STACKLESS=1 -DMICROPY_STACKLESS_STRICT=1"
+  - (cd tests && MICROPY_CPYTHON3=python3.4 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests)
+
 after_failure:
   - (cd tests && for exp in *.exp; do testbase=$(basename $exp .exp); echo -e "\nFAILURE $testbase"; diff -u $testbase.exp $testbase.out; done)
   - (grep "FAIL" ports/qemu-arm/build/console.out)