diff --git a/.travis.yml b/.travis.yml
index 3c175778..d33626d9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 sudo: required
-language: ruby
+language: bash
 services:
   - docker
 
@@ -8,4 +8,4 @@ before_install:
 script:
   # the "yast-travis-cpp" script is included in the base yastdevel/cpp-tw image
   # see https://github.com/yast/docker-yast-cpp-tw/blob/master/yast-travis-cpp
-  - docker run -it -e TRAVIS_JOB_ID="$TRAVIS_JOB_ID" yast-ruby-bindings-image yast-travis-cpp
+  - docker run -it -e TRAVIS=1 -e TRAVIS_JOB_ID="$TRAVIS_JOB_ID" yast-ruby-bindings-image yast-travis-cpp
diff --git a/Dockerfile b/Dockerfile
index c0ce824f..8675e13d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,2 +1,2 @@
-FROM yastdevel/cpp-tw
-COPY . /tmp/sources
+FROM yastdevel/cpp
+COPY . /usr/src/app