diff --git a/Dockerfile.opencv-gpu-cuda-11 b/Dockerfile.opencv-gpu-cuda-11
index 89bb8a51..54d030ff 100644
--- a/Dockerfile.opencv-gpu-cuda-11
+++ b/Dockerfile.opencv-gpu-cuda-11
@@ -58,7 +58,7 @@ RUN curl -Lo opencv.zip ${OPENCV_FILE} && \
             -D OPENCV_DNN_CUDA=ON \
             -D CUDA_GENERATION=Auto \
             -D OPENCV_GENERATE_PKGCONFIG=ON .. && \
-    make -j $(nproc --all) && \
+    make -j $(nproc --all --ignore 2) && \
     make preinstall && make install && ldconfig && \
     cd / && rm -rf opencv*