diff --git a/.travis.yml b/.travis.yml
index d2e6d9f..eebd15e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,7 @@ matrix:
       python: "2.6"
 
 install:
-  - pip install reportlab==REPORTLAB
+  - pip install reportlab==$REPORTLAB
   - python setup.py install
 
 script: python setup.py test