diff --git a/Dockerfile.gpu b/Dockerfile.gpu
index 8ad9c6f..afef842 100644
--- a/Dockerfile.gpu
+++ b/Dockerfile.gpu
@@ -86,6 +86,8 @@ ENV EFFECTS_PATH=/app/artdag-effects
 ENV PYTHONPATH=/app
 # GPU persistence enabled - frames stay on GPU throughout pipeline
 ENV STREAMING_GPU_PERSIST=1
+# Preload libnvcuvid for decord NVDEC GPU decode
+ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libnvcuvid.so
 # Use cluster's public IPFS gateway for HLS segment URLs
 ENV IPFS_GATEWAY_URL=https://celery-artdag.rose-ash.com/ipfs