diff --git a/.github/workflows/flat.yaml b/.github/workflows/flat.yaml
index eb805fb..506d3c5 100644
--- a/.github/workflows/flat.yaml
+++ b/.github/workflows/flat.yaml
@@ -21,10 +21,10 @@ jobs:
         with:
           deno-version: v1.x
       - name: Print Message
-        run: echo "https://kalshi-public-docs.s3.amazonaws.com/reporting/market_data_$(date -d "1 day ago" +'%Y-%m-%d').json"
+        run: echo "Fetching data with https://kalshi-public-docs.s3.amazonaws.com/reporting/market_data_$(date -d "1 day ago" +'%Y-%m-%d').json"
       # The third step is a Flat Action step. We fetch the data in the http_url and save it as downloaded_filename
       - name: Fetch data 
         uses: githubocto/flat@v3
         with:
-          http_url: https://kalshi-public-docs.s3.amazonaws.com/reporting/market_data_$DATE.json
-          downloaded_filename: kalshi_volume_$GITHUB_OUTPUT.json
+          http_url: https://kalshi-public-docs.s3.amazonaws.com/reporting/market_data_$(date -d "1 day ago" +'%Y-%m-%d').json
+          downloaded_filename: kalshi_volume_$(date -d "1 day ago" +'%Y-%m-%d').json