diff --git a/ci/scripts/build.sh b/ci/scripts/build.sh
index 823f81549..a4b8ca94b 100755
--- a/ci/scripts/build.sh
+++ b/ci/scripts/build.sh
@@ -36,7 +36,7 @@ make munge_rpm zerotier-one.spec VERSION=${VERSION}
 make munge_deb debian/changelog VERSION=${VERSION}
 
 docker buildx build \
-       --no-cache \
+       --no-cache=true \
        --build-arg ZT_NAME="${ZT_NAME}" \
        --build-arg RUST_TRIPLET="${RUST_TRIPLET}" \
        --build-arg DOCKER_ARCH="${DOCKER_ARCH}" \