diff --git a/providers/staticdata/k0swe.py b/providers/staticdata/k0swe.py
index ba8622a..1ac4958 100644
--- a/providers/staticdata/k0swe.py
+++ b/providers/staticdata/k0swe.py
@@ -28,11 +28,13 @@ class K0SWE(FileDownloadStaticDataProvider):
                     break
 
             # Add to data store
-            for k, v in dxcc_map.items():
-                DATA_STORE.dxcc_data[k] = v
+            # with transact() batches all writes together to save making thousands of individual sqlite writes
+            with DATA_STORE.dxcc_data.transact():
+                for k, v in dxcc_map.items():
+                    DATA_STORE.dxcc_data.set(k, v)
 
-                if self._stop_event.is_set():
-                    break
+                    if self._stop_event.is_set():
+                        break
 
             # Regenerate in-memory regex-to-DXCC-entity-code map.
             DATA_STORE.regenerate_call_regex_to_dxcc_entity_map()