test installed pybind
diff --git a/.travis.yml b/.travis.yml
index 39b4362..28d3e84 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,5 +110,6 @@
     -DPYBIND11_CPP_STANDARD=$CPP
     -DPYBIND11_WERROR=ON
 - $SCRIPT_RUN_PREFIX make pytest -j 2
+- $SCRIPT_RUN_PREFIX make test_install
 after_script:
 - if [ -n "$DOCKER" ]; then docker stop "$containerid"; docker rm "$containerid"; fi