diff --git a/iso/builder/build-nccl-tests.sh b/iso/builder/build-nccl-tests.sh
index 5abc6f6..7014a02 100755
--- a/iso/builder/build-nccl-tests.sh
+++ b/iso/builder/build-nccl-tests.sh
@@ -118,6 +118,7 @@ else
              -gencode=arch=compute_100,code=sm_100"
     echo "gencode: sm_70..sm_100 (CUDA 12)"
 fi
+LIBRARY_PATH="$NCCL_LIB_DIR${LIBRARY_PATH:+:$LIBRARY_PATH}" \
 make MPI=0 \
     NVCC="$NVCC" \
     CUDA_HOME="$CUDA_HOME" \