diff --git a/Dockerfile b/Dockerfile
index f60c621..1ef32f6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM debian:stretch
 MAINTAINER Benjamin Bohard
 
-RUN apt update && apt install -y ca-certificates gnupg && apt clean
+RUN apt update && apt install -y ca-certificates gnupg1 && apt clean
 COPY aptly.sources.list /etc/apt/sources.list.d/aptly.list
 RUN apt-key adv --keyserver pool.sks-keyservers.net --recv-keys ED75B5A4483DA07C
 RUN apt update && apt install -y aptly && apt clean
diff --git a/aptly.sh b/aptly.sh
index d88ddb8..6896b03 100755
--- a/aptly.sh
+++ b/aptly.sh
@@ -15,8 +15,8 @@ cat >keyparms <<EOF
      %echo done
 EOF
 export PINENTRY_USER_DATA="USE_CURSES=1"
-gpg --gen-key --batch keyparms
-gpg --export --armor > /signing-key/dev.pubkey
+gpg1 --gen-key --batch keyparms
+gpg1 --export --armor > /signing-key/dev.pubkey
 
 aptly repo create --component="main" --distribution="ubuntu" dev
 aptly repo add dev /packages
diff --git a/gpg.conf b/gpg.conf
index 740fb39..d53cb13 100644
--- a/gpg.conf
+++ b/gpg.conf
@@ -1,2 +1 @@
 use-agent
-pinentry-mode loopback