diff --git a/.travis.yml b/.travis.yml
index 474f8f07b..9254950e1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,10 +23,8 @@ before_install:
   #- sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu utopic universe"
   #- sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu utopic multiverse"
   #- sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu utopic"
-  - sudo add-apt-repository "deb http://ppa.launchpad.net/gqrx/snapshots/ubuntu $(lsb_release -sc) main"
-  - sudo add-apt-repository "deb-src http://ppa.launchpad.net/gqrx/snapshots/ubuntu $(lsb_release -sc) main"
-  - sudo add-apt-repository "deb http://ppa.launchpad.net/gqrx/releases/ubuntu $(lsb_release -sc) main"
-  - sudo add-apt-repository "deb-src http://ppa.launchpad.net/gqrx/releases/ubuntu $(lsb_release -sc) main"
+  - sudo add-apt-repository -s "deb http://ppa.launchpad.net/gqrx/snapshots/ubuntu $(lsb_release -sc) main"
+  - sudo add-apt-repository -s "deb http://ppa.launchpad.net/gqrx/releases/ubuntu $(lsb_release -sc) main"
   #- sudo add-apt-repository  -y ppa:gqrx/releases
   #- sudo add-apt-repository  -y ppa:gqrx/snapshots
   - sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y