diff --git a/Makefile b/Makefile
index 254c3aa..1bdfbe0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,14 @@
-all: shellcheck
+all: shellcheck test
 
 shellcheck: shellcheck.log
 
-install: dvbackup shellcheck
+test:
+	./test/test.sh
+
+install: dvbackup shellcheck test
 	install -Dm 0755 --owner=root --group=root $< /usr/local/bin/
 
 shellcheck.log: dvbackup
 	shellcheck $< | tee $@
 
-.PHONY: all shellcheck install
+.PHONY: all shellcheck test install
diff --git a/dvbackup b/dvbackup
index 5551ed1..8a0b11b 100755
--- a/dvbackup
+++ b/dvbackup
@@ -65,7 +65,6 @@ restore_all() {
     fi
     for tarball in "$@"; do
         volume_name="${tarball%.tar}"
-        echo "$volume_name -> $volume"
         if ! "$DOCKER" volume inspect "$volume_name" 1>&2 2>/dev/null; then
             if echo "$DVB_CREATE_VOLUME" | grep -Eiq 't|true|1|y|yes'; then
                 "$DOCKER" volume create "$volume_name"
@@ -74,6 +73,7 @@ restore_all() {
                 exit 4
             fi
         fi
+        echo "$tarball -> $volume_name"
         restore "$tarball" "$volume_name"
     done
 }
diff --git a/test/mock-docker.sh b/test/mock-docker.sh
index c457764..8333e8c 100755
--- a/test/mock-docker.sh
+++ b/test/mock-docker.sh
@@ -6,12 +6,14 @@ volume() {
         echo "local 00c674e3f3c1587d88c2ebf2f91da5843b9dddb3e8df272898bdfd4e596aef79"
         echo "local $DOCKER_MOCK_VOLUME"
         return 0
-    elif [ "$2" = 'inspect' ]; then
-        if [ "$3" = "$DOCKER_MOCK_VOLUME" ]; then
+    elif [ "$1" = 'inspect' ]; then
+        if [ "$2" = "$DOCKER_MOCK_VOLUME" ]; then
             return 0
         else
             return 1
         fi
+    else
+        docker volume "$@"
     fi
 }
 
diff --git a/test/test.sh b/test/test.sh
index ebbf680..673a767 100755
--- a/test/test.sh
+++ b/test/test.sh
@@ -3,7 +3,7 @@
 
 cd "$(dirname "$0")" || exit 1
 
-VOLUME_NAME="$(dd if=/dev/random bs=6 count=1 | base64)"
+VOLUME_NAME="$(dd if=/dev/random bs=10 count=1 | base32)"
 docker volume create "$VOLUME_NAME"
 
 # shellcheck disable=SC2064
@@ -12,18 +12,13 @@ trap "docker volume rm $VOLUME_NAME && rm -f $VOLUME_NAME.tar" EXIT
 docker run --rm --volume="$VOLUME_NAME:/data" alpine \
     sh -c 'echo "test" > /data/a.txt'
 DOCKER=./mock-docker.sh DOCKER_MOCK_VOLUME="$VOLUME_NAME" \
-    ../dvbackup.sh backup_all
+    ../dvbackup backup_all
 stat "$VOLUME_NAME.tar" || exit 1
 docker run --rm --volume="$VOLUME_NAME:/data" alpine \
     sh -c 'rm /data/a.txt' || exit 1
-DOCKER=./mock-docker.sh DOCKER_MOCK_VOLUME="$VOLUME_NAME" \
-    ../dvbackup.sh restore_all "$VOLUME_NAME.tar" || exit 1
+DOCKER=./mock-docker.sh DOCKER_MOCK_VOLUME="$VOLUME_NAME" DVB_I_KNOW_WHAT_I_DO=y \
+    ../dvbackup restore_all "$VOLUME_NAME.tar" || exit 1
 docker run --rm --volume="$VOLUME_NAME:/data" alpine \
     sh -c 'stat /data/a.txt' || exit 1
 
-DOCKER=./mock-docker.sh DOCKER_MOCK_VOLUME="$VOLUME_NAME-0" \
-    ../dvbackup.sh restore_all "$VOLUME_NAME-0.tar" || exit 1
-docker run --rm --volume="$VOLUME_NAME-0:/data" alpine \
-    sh -c 'stat /data/a.txt' || exit 1
-
 exit 0