diff --git a/.travis.yml b/.travis.yml
index 6da053d1f..f229b8a0e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,7 +41,7 @@ matrix:
       compiler: clang
       addons: &clang38
         apt:
-          sources: ['llvm-toolchain-precise', 'ubuntu-toolchain-r-test']
+          sources: ['llvm-toolchain-precise-3.8', 'ubuntu-toolchain-r-test']
           packages: ['clang-3.8', 'libbz2-dev', 'libstxxl-dev', 'libstxxl1', 'libxml2-dev', 'libzip-dev', 'lua5.1', 'liblua5.1-0-dev', 'libtbb-dev', 'libgdal-dev', 'libluabind-dev', 'libboost-all-dev']
       env: COMPILER='clang++-3.8' BUILD_TYPE='Debug' RUN_CLANG_FORMAT=ON
 
@@ -71,7 +71,7 @@ matrix:
       compiler: clang
       addons: &clang38
         apt:
-          sources: ['llvm-toolchain-precise', 'ubuntu-toolchain-r-test']
+          sources: ['llvm-toolchain-precise-3.8', 'ubuntu-toolchain-r-test']
           packages: ['clang-3.8', 'libbz2-dev', 'libstxxl-dev', 'libstxxl1', 'libxml2-dev', 'libzip-dev', 'lua5.1', 'liblua5.1-0-dev', 'libtbb-dev', 'libgdal-dev', 'libluabind-dev', 'libboost-all-dev']
       env: COMPILER='clang++-3.8' BUILD_TYPE='Release'
 
@@ -93,7 +93,7 @@ matrix:
       compiler: clang
       addons: &clang38
         apt:
-          sources: ['llvm-toolchain-precise', 'ubuntu-toolchain-r-test']
+          sources: ['llvm-toolchain-precise-3.8', 'ubuntu-toolchain-r-test']
           packages: ['clang-3.8', 'libbz2-dev', 'libstxxl-dev', 'libstxxl1', 'libxml2-dev', 'libzip-dev', 'lua5.1', 'liblua5.1-0-dev', 'libtbb-dev', 'libgdal-dev', 'libluabind-dev', 'libboost-all-dev']
       env: COMPILER='clang++-3.8' BUILD_TYPE='Release' BUILD_SHARED_LIBS=ON