diff --git a/scripts/backfill_from_missing.sh b/scripts/backfill_from_missing.sh
new file mode 100644
index 0000000..1a1060b
--- /dev/null
+++ b/scripts/backfill_from_missing.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+PIPENV=/home/$(whoami)/.local/bin/pipenv
+
+echo "Most recent upload:"
+mongo --quiet nightscout --eval 'JSON.stringify(db.treatments.find({"enteredBy":"Pump (tconnectsync)"}).sort({_id: -1}).limit(1)[0])' | jq
+
+SINCE_DATETIME=$(mongo --quiet nightscout --eval 'JSON.stringify(db.treatments.find({"enteredBy":"Pump (tconnectsync)"}).sort({_id: -1}).limit(1)[0])' | jq -r '.created_at')
+
+SINCE_DATE=$(python3 -c "print('$SINCE_DATETIME'.split(' ')[0])")
+CUR_DATE=$(python3 -c "import datetime; print(str(datetime.datetime.now()).split(' ')[0])")
+echo "Will run with start date $SINCE_DATE and end date $CUR_DATE"
+
+PRETEND="--pretend"
+$PIPENV run python3 -u ../main.py --start-date "$SINCE_DATE" --end-date "$CUR_DATE" $PRETEND
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