diff --git a/.travis/build.sh b/.travis/build.sh
index 72cfbbe4d..a91387fd5 100755
--- a/.travis/build.sh
+++ b/.travis/build.sh
@@ -2,7 +2,6 @@
 
 set -x
 
-conan install .. --build missing
 cmake -G Ninja -DCMAKE_BUILD_TYPE=$BUILD_TYPE $EXTRA_CMAKE_FLAGS -DBUILD_TESTING=ON .. || exit 1
 cmake --build . -- -v || exit 1
 ASAN_OPTIONS=alloc_dealloc_mismatch=0 ctest . || exit 1
diff --git a/.travis/os_build.sh b/.travis/os_build.sh
index 90ff8b0bb..48e83d297 100755
--- a/.travis/os_build.sh
+++ b/.travis/os_build.sh
@@ -3,11 +3,14 @@
 set -x
 
 if [ "$TRAVIS_OS_NAME" == "linux" ]; then
-    docker run --rm -v $PWD:/repo -v ~/.travis:/travis berkus/docker-cpp-ci /bin/sh -c "cd /repo/_build_; /repo/.travis/build.sh"
+    docker run --rm -v $PWD:/repo -v ~/.travis:/travis berkus/docker-cpp-ci /bin/sh -c "cd /repo/_build_; conan install .. --build missing; /repo/.travis/build.sh"
 fi
 
 if [ "$TRAVIS_OS_NAME" == "osx" ]; then
     cd _build_
+    export CC=clang
+    export CXX=clang++
     export EXTRA_CMAKE_FLAGS=-DCMAKE_PREFIX_PATH='/usr/local/opt/qt5/;/usr/local/opt/openal-soft'
+    conan install -s compiler=apple-clang .. --build missing
     ../.travis/build.sh
 fi