diff --git a/alpine/kernel/Dockerfile b/alpine/kernel/Dockerfile
index 252c342aa..a6278bafd 100644
--- a/alpine/kernel/Dockerfile
+++ b/alpine/kernel/Dockerfile
@@ -4,7 +4,7 @@ ARG KERNEL_VERSION=4.4.29
 
 ENV KERNEL_SOURCE=https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz
 
-RUN curl -sSL -o linux-${KERNEL_VERSION}.tar.xz ${KERNEL_SOURCE}
+RUN curl -fsSL -o linux-${KERNEL_VERSION}.tar.xz ${KERNEL_SOURCE}
 
 RUN cat linux-${KERNEL_VERSION}.tar.xz | tar --absolute-names -xJ &&  mv /linux-${KERNEL_VERSION} /linux
 
diff --git a/alpine/packages/docker/Makefile b/alpine/packages/docker/Makefile
index b52a2a1b3..f77b0baaa 100644
--- a/alpine/packages/docker/Makefile
+++ b/alpine/packages/docker/Makefile
@@ -35,9 +35,9 @@ cleanusr:
 
 download: cleanusr
 ifdef DOCKER_BIN_URL
-	(curl -sSL ${DOCKER_BIN_URL} && touch ok) | tar xzf -
+	(curl -fsSL ${DOCKER_BIN_URL} && touch ok) | tar xzf -
 else
-	(curl -sSL https://${DOCKER_HOST}/builds/${OS}/${ARCH}/docker-${DOCKER_VERSION}.tgz && touch ok) | tar xzf -
+	(curl -fsSL https://${DOCKER_HOST}/builds/${OS}/${ARCH}/docker-${DOCKER_VERSION}.tgz && touch ok) | tar xzf -
 endif
 	rm ok
 	mv docker/docker-containerd-ctr \