diff --git a/src/c3nav/mapdata/management/commands/importhub.py b/src/c3nav/mapdata/management/commands/importhub.py
index e5e67bde..2f5f96a3 100644
--- a/src/c3nav/mapdata/management/commands/importhub.py
+++ b/src/c3nav/mapdata/management/commands/importhub.py
@@ -45,12 +45,12 @@ class Command(BaseCommand):
 
         changed_geometries.reset()
         changeset = ChangeSet()
-        changeset.author = self.request.user
         changeset.title = 'importhub'
         with within_changeset(changeset=changeset, user=None) as locked_changeset:
             self.do_import(r.json())
-        with changeset.lock_to_edit() as locked_changeset:
-            locked_changeset.apply(user=None)
+        if locked_changeset.changes:
+            with locked_changeset.lock_to_edit() as locked_changeset:
+                locked_changeset.apply(user=None)
 
     def do_report(self, prefix: str, obj_id: str, obj, report: Report):
         import_prefix = f"{prefix}:{obj_id}:"
diff --git a/src/c3nav/mapdata/management/commands/importnoc.py b/src/c3nav/mapdata/management/commands/importnoc.py
index d709c504..f96c17a3 100644
--- a/src/c3nav/mapdata/management/commands/importnoc.py
+++ b/src/c3nav/mapdata/management/commands/importnoc.py
@@ -38,12 +38,12 @@ class Command(BaseCommand):
 
         changed_geometries.reset()
         changeset = ChangeSet()
-        changeset.author = self.request.user
         changeset.title = 'importnoc'
         with within_changeset(changeset=changeset, user=None) as locked_changeset:
             self.do_import(items)
-        with changeset.lock_to_edit() as locked_changeset:
-            locked_changeset.apply(user=None)
+        if locked_changeset.changes:
+            with locked_changeset.lock_to_edit() as locked_changeset:
+                locked_changeset.apply(user=None)
 
     def do_report(self, prefix: str, obj_id: str, obj, report: Report):
         import_prefix = f"{prefix}:{obj_id}:"