diff --git a/mingw-w64-assimp-git/PKGBUILD b/mingw-w64-assimp-git/PKGBUILD
index 20ae125d49..45d41c58f7 100644
--- a/mingw-w64-assimp-git/PKGBUILD
+++ b/mingw-w64-assimp-git/PKGBUILD
@@ -32,20 +32,24 @@ build() {
 	export PREFIX_DEPS=`pwd -W`
 	popd > /dev/null
 
+	[[ -d ${srcdir}/build-${MINGW_CHOST} ]] && rm -rf ${srcdir}/build-${MINGW_CHOST}
+	mkdir -p ${srcdir}/build-${MINGW_CHOST} && cd ${srcdir}/build-${MINGW_CHOST}
 	export DXSDK_DIR=${MINGW_PREFIX}/${MINGW_CHOST}
-    cd "${srcdir}/${_realname}"
+	
     ${MINGW_PREFIX}/bin/cmake.exe \
 	  -G"MSYS Makefiles" \
 	  -DCMAKE_INSTALL_PREFIX:PATH=${PREFIX_WIN} \
 	  -DASSIMP_BUILD_ASSIMP_TOOLS=YES \
 	  -DASSIMP_ENABLE_BOOST_WORKAROUND=OFF \
 	  -DASSIMP_BUILD_STATIC_LIB=OFF \
-	  -DCMAKE_BUILD_TYPE=RELEASE
+	  -DCMAKE_BUILD_TYPE=RELEASE \
+	  -DDirectX_DXERR_LIBRARY=${PREFIX_DEPS}/${MINGW_CHOST}/lib/libdxerr9.a \
+	  ../${_realname}
     make
 }
 
 package() {
-    cd "${srcdir}/${_realname}"
+    cd "${srcdir}/build-${MINGW_CHOST}"
     make -j1 install
 	mkdir -p ${pkgdir}${MINGW_PREFIX}/bin
 	mv ${pkgdir}${MINGW_PREFIX}/lib/*.dll ${pkgdir}${MINGW_PREFIX}/bin/