diff --git a/tests/test_encryption.py b/tests/test_encryption.py
index ae7b5b9..6d20474 100644
--- a/tests/test_encryption.py
+++ b/tests/test_encryption.py
@@ -29,6 +29,12 @@ class TestZfsEncryption(unittest2.TestCase):
         except:
             self.skipTest("Encryption not supported on this ZFS version.")
 
+    def load_key(self, key, path):
+
+        shelltest("rm /tmp/zfstest.key 2>/dev/null;true")
+        shelltest("echo {} > /tmp/zfstest.key".format(key))
+        shelltest("zfs load-key {}".format(path))
+
     def prepare_encrypted_dataset(self, key, path, unload_key=False):
 
         # create encrypted source dataset
@@ -269,6 +275,8 @@ test_target1/test_source2/fs2/sub              encryptionroot  -
 
 
 
+#NOTE: this leaves 2 weird sub-datasets that should'nt be there (its a zfs thing i think)
+
         r = shelltest("zfs get -r -t all encryptionroot test_target1")
         self.assertEqual(r, """
 NAME                                                                               PROPERTY        VALUE                                                          SOURCE
@@ -282,8 +290,24 @@ test_target1/encryptedtarget/test_source1/fs1/encryptedsource@test-2010111100000
 test_target1/encryptedtarget/test_source1/fs1/encryptedsource@test-20101111000001  encryptionroot  test_target1/encryptedtarget/test_source1/fs1/encryptedsource  -
 test_target1/encryptedtarget/test_source1/fs1/sub                                  encryptionroot  test_target1/encryptedtarget                                   -
 test_target1/encryptedtarget/test_source1/fs1/sub@test-20101111000000              encryptionroot  test_target1/encryptedtarget                                   -
+test_target1/encryptedtarget/test_source1/fs1/sub/sub                              encryptionroot  -                                                              -
+test_target1/encryptedtarget/test_source1/fs1/sub/sub@test-20101111000001          encryptionroot  -                                                              -
 test_target1/encryptedtarget/test_source2                                          encryptionroot  test_target1/encryptedtarget                                   -
 test_target1/encryptedtarget/test_source2/fs2                                      encryptionroot  test_target1/encryptedtarget                                   -
 test_target1/encryptedtarget/test_source2/fs2/sub                                  encryptionroot  test_target1/encryptedtarget                                   -
 test_target1/encryptedtarget/test_source2/fs2/sub@test-20101111000000              encryptionroot  test_target1/encryptedtarget                                   -
+test_target1/encryptedtarget/test_source2/fs2/sub/sub                              encryptionroot  -                                                              -
+test_target1/encryptedtarget/test_source2/fs2/sub/sub@test-20101111000001          encryptionroot  -                                                              -
 """)
+
+
+
+        #reload key and resume correctly.
+        self.load_key("22222222", "test_target1/encryptedtarget")
+
+        # resume
+        with mocktime("20101111000001"):
+            self.assertEqual(ZfsAutobackup(
+                "test test_target1/encryptedtarget --verbose --no-progress --encrypt --exclude-received --allow-empty --no-snapshot --clear-mountpoint".split(
+                    " ")).run(),0)
+