diff --git a/ezidapp/management/commands/diag-db-stats.py b/ezidapp/management/commands/diag-db-stats.py
index 991f4043..5b7f83ee 100644
--- a/ezidapp/management/commands/diag-db-stats.py
+++ b/ezidapp/management/commands/diag-db-stats.py
@@ -26,8 +26,7 @@
 import ezidapp.models.async_queue
 import ezidapp.models.identifier
 import impl.enqueue
-import impl.nog_bdb.counter
-import impl.nog_bdb.tb
+import impl.nog_sql.counter
 import impl.nog_sql.util
 
 log = logging.getLogger(__name__)
@@ -62,7 +61,7 @@ def handle(self, *_, **opt):
 class ORMStats:
     def __init__(self):
         self.exit_stack = contextlib.ExitStack()
-        self.counter = self.exit_stack.enter_context(impl.nog_bdb.counter.Counter())
+        self.counter = self.exit_stack.enter_context(impl.nog_sql.counter.Counter())
         self.page_size = django.conf.settings.QUERY_PAGE_SIZE
 
     def print_identifier(self, identifier):
diff --git a/impl/nog_bdb/counter.py b/impl/nog_sql/counter.py
similarity index 100%
rename from impl/nog_bdb/counter.py
rename to impl/nog_sql/counter.py
diff --git a/migrate_db_to_py3/diag-check-metadata.py b/migrate_db_to_py3/diag-check-metadata.py
index 113d6090..c9d6f7d5 100644
--- a/migrate_db_to_py3/diag-check-metadata.py
+++ b/migrate_db_to_py3/diag-check-metadata.py
@@ -43,7 +43,7 @@
 import django.db.models
 import django.db.transaction
 
-import impl.nog_bdb.counter
+import impl.nog_sql.counter
 
 log = logging.getLogger(__name__)
 
@@ -71,7 +71,7 @@ def handle(self, *_, **opt):
 class ViaORM:
     def __init__(self):
         self.exit_stack = contextlib.ExitStack()
-        self.counter = self.exit_stack.enter_context(impl.nog_bdb.counter.Counter())
+        self.counter = self.exit_stack.enter_context(impl.nog_sql.counter.Counter())
         self.page_size = django.conf.settings.QUERY_PAGE_SIZE
 
     def list_blobs_all(self):
diff --git a/tools_dev/tag_log.py b/tools_dev/tag_log.py
index c081b7e6..fbba7925 100755
--- a/tools_dev/tag_log.py
+++ b/tools_dev/tag_log.py
@@ -10,7 +10,7 @@
 import re
 import sys
 
-import impl.nog_bdb.counter
+import impl.nog_sql.counter
 
 log = logging.getLogger(__name__)
 
@@ -86,7 +86,7 @@ def __init__(self, args):
 
     def __enter__(self):
         self.exit_stack = contextlib.ExitStack()
-        self.counter = self.exit_stack.enter_context(impl.nog_bdb.counter.Counter())
+        self.counter = self.exit_stack.enter_context(impl.nog_sql.counter.Counter())
         self.count = self.counter.count
         return self