diff --git a/mingw.yml b/mingw.yml
index 4c4bd8b9..021d8012 100644
--- a/mingw.yml
+++ b/mingw.yml
@@ -29,6 +29,7 @@ build_script:
     - cmd: set   CMD=mkdir -p build
     - cmd: set   CMD=%CMD%; cd build    
     - cmd: set   CMD=%CMD%; cmake .. -G 'Unix Makefiles' -DCMAKE_CXX_STANDARD=98 -DCMAKE_CXX_FLAGS=-Wno-deprecated
+    - cmd: set   CMD=%CMD%; cmake --build . --config Release
     - cmd: echo %CMD%
     - cd %APPVEYOR_BUILD_FOLDER%
     - cmd: C:\msys64\usr\bin\bash -c "%CMD%"