diff --git a/Dockerfile b/Dockerfile
index a4dfdb34..bc11d6b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -64,8 +64,8 @@ RUN \
   gpg gpg-agent >/dev/null && \
   gpg --keyserver ${FAIL2BAN_GPG_PUBLIC_KEY_SERVER} \
     --recv-keys ${FAIL2BAN_GPG_PUBLIC_KEY_ID} &>/dev/null && \
-  curl -Lso fail2ban.deb ${FAIL2BAN_DEB_URL} && \
-  curl -Lso fail2ban.deb.asc ${FAIL2BAN_DEB_ASC_URL} && \
+  curl -Lkso fail2ban.deb ${FAIL2BAN_DEB_URL} && \
+  curl -Lkso fail2ban.deb.asc ${FAIL2BAN_DEB_ASC_URL} && \
   FINGERPRINT="$(LANG=C gpg --verify \
   fail2ban.deb.asc fail2ban.deb 2>&1 \
     | sed -n 's#Primary key fingerprint: \(.*\)#\1#p')" && \