diff --git a/.travis.yml b/.travis.yml
index 1b04ce83..88b95747 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,4 +8,4 @@ install:
   - pospell --version
 script:
   - pospell -p dict -l fr **/*.po
-  - make CPYTHON_CLONE=/tmp/cpython/ BRANCH=3.7
+  - make CPYTHON_CLONE=/tmp/cpython/ BRANCH=3.7 VENV=$(VIRTUAL_ENV)