diff --git a/windows/Dockerfile b/windows/Dockerfile
index 9a3352c..9c49f5c 100644
--- a/windows/Dockerfile
+++ b/windows/Dockerfile
@@ -112,7 +112,7 @@ RUN wget -nv https://github.com/assimp/assimp/archive/v${CUR_ASSIMP_VERSION}.tar
  && rm -f v${CUR_ASSIMP_VERSION}.tar.gz \
  && mkdir -p ${INSTALL_DIR}/build/assimp && cd ${INSTALL_DIR}/build/assimp \
  && cmake -DCMAKE_INSTALL_PREFIX=${INSTALL_DIR} -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_BUILD_TYPE=Release -DASSIMP_BUILD_ASSIMP_TOOLS=0 -DASSIMP_BUILD_TESTS=0 -DASSIMP_WARNINGS_AS_ERRORS=0 -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN} /soft/assimp-* \
- && make install -j${JOBS_COUNT} && rm -rf ./* && rm -rf /soft/assimp-*
+ && make install -j4 && rm -rf ./* && rm -rf /soft/assimp-*
 
 
 # markdown