diff --git a/wrangler.toml b/wrangler.toml
index ef04822..bb35150 100644
--- a/wrangler.toml
+++ b/wrangler.toml
@@ -12,9 +12,9 @@ DEFAULT_LON = "150.3119"
 DEFAULT_LAT = "-33.7300"
 DEFAULT_RADIUS_M = "1000"
 
-# D1 is optional for the demo (falls back to the live simulator when empty).
-# Uncomment + set database_id after: wrangler d1 create critterscope
-# [[d1_databases]]
-# binding = "DB"
-# database_name = "critterscope"
-# database_id = "REPLACE_ME"
+# D1: stores real drone surveys/detections. Falls back to the live simulator
+# when no ?survey=<id> is requested or the id isn't found.
+[[d1_databases]]
+binding = "DB"
+database_name = "critterscope"
+database_id = "03814d82-cab0-4f2a-860a-2faf31742960"