diff --git a/.travis.yml b/.travis.yml
index d4201e61..42ad82af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,9 +54,12 @@ after_script:
   - yarn buildforelectron
   - python3 -m venv env
   - |
-    source env/bin/activate
     pip3 install -r scripts/requirements.txt
     python3 scripts/build.py download
     python3 scripts/build.py build -b dist
-#    python3 scripts/build.py validate -b dist
+  # build command from cx_freeze does something in background and we need to assure
+  # that step completed
+  - |
+    source env/bin/activate
+    python3 scripts/build.py validate -b dist
   - yarn electron-builder --linux --x64