diff --git a/tests/image.bash b/tests/image.bash
index 7ec3216..44c3874 100755
--- a/tests/image.bash
+++ b/tests/image.bash
@@ -9,6 +9,7 @@ imageFile() {
     mkdir -p tests/{fs,kernel,dtb}
     mount -o rw -t ext4 "/dev/mapper/${loopPrefix}p2" "tests/fs"
     mount -o rw -t vfat "/dev/mapper/${loopPrefix}p1" "tests/fs/boot"
+    sync
   elif [[ $1 == "umount" ]]; then
     sync
     umount tests/fs/boot
diff --git a/tests/run.exp b/tests/run.exp
index 626e594..b71d65a 100755
--- a/tests/run.exp
+++ b/tests/run.exp
@@ -63,8 +63,10 @@ expect {
     exp_continue
   }
   "pi@raspberrypi:~$ " {
-    send "sudo shutdown -h now\r"
+    send "sync\r"
   }
+  expect "pi@raspberrypi:~$ "
+  send "sudo shutdown -h 5s\r"
 }
 
 exit $retval
diff --git a/uninstall.bash b/uninstall.bash
index 16eb9f5..1dcc903 100755
--- a/uninstall.bash
+++ b/uninstall.bash
@@ -13,7 +13,7 @@ if ! [[ -f /usr/local/sbin/zram-config || -f /usr/sbin/zram-config ]]; then
 fi
 
 zram-config "stop"
-tar -czvf "${BASEDIR}/logs.tar.gz" -C /usr/local/share/zram-config/log .
+tar -czf "${BASEDIR}/logs.tar.gz" -C /usr/local/share/zram-config/log .
 if [[ $OS == "alpine" ]]; then
   rc-service zram-config stop
   rc-update del zram-config boot