diff --git a/.travis.yml b/.travis.yml
index 526e5d2..48e0f3e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -313,7 +313,8 @@ script:
   - |-
     echo "using $TOOLSET : : $COMPILER : <cxxflags>-std=$CXXSTD ;" > ~/user-config.jam
   - ./b2 libs/ratio/test toolset=$TOOLSET
-  - mkdir __wsl__ && cd __wsl__
+  - mkdir __build__ && cd __build__
+  - export CXX=$COMPILER
   - cmake -DBOOST_RATIO_INCLUDE_TESTS=ON ../libs/ratio/test/test_cmake
   - cmake --build .
   - ctest .
diff --git a/appveyor.yml b/appveyor.yml
index 9c3a317..76e5466 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -39,8 +39,8 @@ build: off
 
 test_script:
   - b2 libs/ratio/test toolset=%TOOLSET%
-  - mkdir __wsl__
-  - cd __wsl__
+  - mkdir __build__
+  - cd __build__
   - cmake -DBOOST_RATIO_INCLUDE_TESTS=ON ../libs/ratio/test/test_cmake
   - cmake --build .
   - ctest .