diff --git a/.travis.yml b/.travis.yml
index 0777bb9..47efb1b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,9 +11,9 @@ env:
 
 matrix:
   exclude:
-    - python: 3.3
+    - python: "3.3"
       env: DJANGO=1.4
-    - python: 3.3
+    - python: "3.3"
       env: DJANGO=1.5
 
 install: