diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index f048696..6207d64 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -99,6 +99,7 @@ RUN set -ex; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --keyserver ha.pool.sks-keyservers.net --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
     gpg --batch --verify nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
+    busybox killall gpg-agent || true; \
     tar -xjf nextcloud.tar.bz2 -C /usr/src/; \
     rm -r "$GNUPGHOME" nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
     rm -rf /usr/src/nextcloud/updater; \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index ff0785b..eb21a29 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -112,6 +112,7 @@ RUN set -ex; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --keyserver ha.pool.sks-keyservers.net --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
     gpg --batch --verify nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
+    busybox killall gpg-agent || true; \
     tar -xjf nextcloud.tar.bz2 -C /usr/src/; \
     rm -r "$GNUPGHOME" nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
     rm -rf /usr/src/nextcloud/updater; \