diff --git a/.travis.yml b/.travis.yml
index 8b65af0..d6c686b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: c
 
 before_install:
-  - sudo add-apt-repository ppa:gqrx/releases
+  - sudo add-apt-repository ppa:gqrx/releases -y
   - sudo apt-get update -qq
   - sudo apt-get install -y build-essential debhelper librtlsdr-dev libusb-1.0-0-dev pkg-config