diff --git a/.travis.yml b/.travis.yml
index 8dea472..bdcd3ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,5 +7,6 @@ julia:
   - 1.4 
 before_script:
   - julia -e 'using Pkg; Pkg.add(PackageSpec(url="https://github.com/mathn7/Test_Optinum.git"))'
+  - julia -e 'using Test_Optinum; Test_Optinum.effacer_stacktrace()'
 notifications:
   email: false