diff --git a/.travis.yml b/.travis.yml
index a1368837a2a..4ba20a97888 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -143,11 +143,14 @@ addons:
       - perl
       - perl-base
 
+# ~/.ccache needs to be cached directly as Travis is not taking care of it
+# (possibly because we use 'language: python' and not 'language: c')
 cache:
   pip: true
   ccache: true
   directories:
     - ~/.mirror
+    - ~/.ccache
 
 # Work around Travis's lack of support for Python on OSX
 before_install: