diff --git a/tests/test_zfsautobackup.py b/tests/test_zfsautobackup.py
index 142224b..0a60477 100644
--- a/tests/test_zfsautobackup.py
+++ b/tests/test_zfsautobackup.py
@@ -549,7 +549,7 @@ test_target1/test_source2/fs2/sub@test-20101111000000  canmount  -         -
 
         with mocktime("20101111000003"):
             #--test should succeed by destroying incompatibles
-            self.assertFalse(ZfsAutobackup("test test_target1 --no-progress --verbose --allow-empty --destroy-incompatible --test".split(" ")).run())
+            self.assertFalse(ZfsAutobackup("test test_target1 --no-progress --verbose --allow-empty --destroy-incompatible --test --debug".split(" ")).run())
 
         with mocktime("20101111000003"):
             #should succeed by destroying incompatibles
diff --git a/zfs_autobackup/ZfsDataset.py b/zfs_autobackup/ZfsDataset.py
index fdb9358..872c0f3 100644
--- a/zfs_autobackup/ZfsDataset.py
+++ b/zfs_autobackup/ZfsDataset.py
@@ -1140,7 +1140,10 @@ class ZfsDataset:
         if source_common_snapshot:
             source_snapshot=self.find_next_snapshot(source_common_snapshot )
         else:
-            source_snapshot=self.snapshots[0]
+            if self.snapshots:
+                source_snapshot=self.snapshots[0]
+            else:
+                source_snapshot=None
 
         while source_snapshot:
             # we want it?
@@ -1243,7 +1246,7 @@ class ZfsDataset:
         target_dataset.handle_incompatible_snapshots(incompatible_target_snapshots, destroy_incompatible)
 
         # now actually transfer the snapshots, if we want
-        if no_send:
+        if no_send or len(target_transfers)==0:
             return
 
         # check if we can resume
@@ -1270,7 +1273,6 @@ class ZfsDataset:
 
             source_snapshot=self.find_snapshot(target_snapshot)
 
-
             # do the rollback, one time at first transfer
             if do_rollback:
                 target_dataset.rollback()