diff --git a/.travis.yml b/.travis.yml
index ba752bf1..fa8c3d93 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,17 @@
 language: c
 sudo: required
 dist: trusty
+apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - cmake-data
+      - cmake
+      - libglib2.0-0
+      - libsndfile-dev
+      - libasound2-dev
+      - libjack-dev
+      - portaudio19-dev
 env:
     - CMAKE_FLAGS="-Denable-floats=1"
     - CMAKE_FLAGS="-Denable-profiling=1"
@@ -17,30 +28,16 @@ matrix:
     - os: linux
       addons:
         apt:
-          sources:
-            - ubuntu-toolchain-r-test
           packages:
             - g++-4.8
-            - cmake-data
-            - cmake
-            - libglib2.0-0
-            - libsndfile-dev
-            - libasound2-dev
-            - libjack-dev
-            - portaudio19-dev
       env:
          - MATRIX_EVAL="CC=gcc-4.8 && CXX=g++-4.8"
          
     - os: linux
       addons:
         apt:
-          sources:
-            - ubuntu-toolchain-r-test
           packages:
             - g++-4.9
-            - cmake-data
-            - cmake
-            - libglib2.0-0
       env:
          - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"
 
@@ -48,13 +45,8 @@ matrix:
     - os: linux
       addons:
         apt:
-          sources:
-            - ubuntu-toolchain-r-test
           packages:
             - g++-5
-            - cmake-data
-            - cmake
-            - libglib2.0-0
       env:
          - MATRIX_EVAL="CC=gcc-5 && CXX=g++-5"
 
@@ -62,13 +54,8 @@ matrix:
     - os: linux
       addons:
         apt:
-          sources:
-            - ubuntu-toolchain-r-test
           packages:
             - g++-6
-            - cmake-data
-            - cmake
-            - libglib2.0-0
       env:
         - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"
 
@@ -77,14 +64,10 @@ matrix:
       addons:
         apt:
           sources:
-            - ubuntu-toolchain-r-test
             - llvm-toolchain-precise-3.8
             - george-edison55-precise-backports
           packages:
             - clang-3.8
-            - cmake-data
-            - cmake
-            - libglib2.0-0
       env:
         - MATRIX_EVAL="CC=clang-3.8 && CXX=clang++-3.8"
 
@@ -97,9 +80,6 @@ matrix:
             - george-edison55-precise-backports
           packages:
             - clang-3.9
-            - cmake-data
-            - cmake
-            - libglib2.0-0
       env:
         - MATRIX_EVAL="CC=clang-3.9 && CXX=clang++-3.9"
 
@@ -112,9 +92,6 @@ matrix:
             - george-edison55-precise-backports
           packages:
             - clang-4.0
-            - cmake-data
-            - cmake
-            - libglib2.0-0
       env:
         - MATRIX_EVAL="CC=clang-4.0 && CXX=clang++-4.0"
 
@@ -156,5 +133,5 @@ before_script:
     - mkdir build && cd build
     
 script:
-    - cmake "${CMAKE_FLAGS}" "-DCMAKE_BUILD_TYPE=RelWithDebInfo" ..
+    - cmake ${CMAKE_FLAGS} "-DCMAKE_BUILD_TYPE=RelWithDebInfo" ..
     - make -j4