diff --git a/scripts/layer_map_scraper/scraper.py b/scripts/layer_map_scraper/scraper.py
index 4ad82b8185..d9772573b7 100644
--- a/scripts/layer_map_scraper/scraper.py
+++ b/scripts/layer_map_scraper/scraper.py
@@ -131,6 +131,19 @@ async def timeline_task(
     Task loop that is responsible for scraping one timeline
     """
 
+    last_scrape_at = await db.fetchval("select max(scrape_ts) from scrapes where tenant_id = $1 and timeline_id = $2", tenant_id, timeline_id)
+    logging.info(f"last scrape at: {last_scrape_at}")
+    next_scrape_at = datetime.datetime.now(tz=last_scrape_at.tzinfo) + datetime.timedelta(seconds=interval)
+    logging.info(f"next scrape at: {next_scrape_at}")
+    now = datetime.datetime.now(tz=last_scrape_at.tzinfo)
+    logging.info(f"now is: {now}")
+    sleep_secs = (now - next_scrape_at).total_seconds()
+    if sleep_secs < 0:
+        logging.warning(f"timeline has had scraping from before this script started running")
+    else:
+        logging.info(f"sleeping remaining {sleep_secs} seconds since last scrape")
+        await asyncio.sleep(sleep_secs)
+
     while not stop_var.is_set():
         try:
             logging.info(f"begin scraping timeline {tenant_id}/{timeline_id}")