diff --git a/macros.mingw64-cmake b/macros.mingw64-cmake
index 79958a7..607aa74 100644
--- a/macros.mingw64-cmake
+++ b/macros.mingw64-cmake
@@ -36,7 +36,7 @@
    echo "Deprecated %%__mingw64_cmake macro used, please use %%_mingw64_cmake" \
    %{_mingw64_cmake}
 
-%_mingw64_cmake_build %cmake_build -C %__builddir
+%_mingw64_cmake_build %cmake_build
 
 %_mingw64_cmake_install %{_mingw64_env}; \
     %cmake_install