diff --git a/devel/wasi-libcxx/Makefile b/devel/wasi-libcxx/Makefile
index afd2d0ff4fea..c32a1afe9edc 100644
--- a/devel/wasi-libcxx/Makefile
+++ b/devel/wasi-libcxx/Makefile
@@ -79,6 +79,7 @@ CMAKE_ARGS=	-DCMAKE_AR=${LOCALBASE}/bin/llvm-ar${LLVM_VERSION} \
 		-DLIBCXXABI_HAS_EXTERNAL_THREAD_API:BOOL=OFF \
 		-DLIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY:BOOL=OFF \
 		-DLIBCXXABI_HAS_WIN32_THREAD_API:BOOL=OFF \
+		-DLIBCXXABI_USE_LLVM_UNWINDER:BOOL=OFF \
 		-DUNIX:BOOL=ON \
 		-DCMAKE_SYSROOT=${WASI_SYSROOT} \
 		-DLIBCXX_LIBDIR_SUFFIX=/${TRIPLE} \