diff --git a/cif/update.go b/cif/update.go
index 8600c2f..cc5e560 100644
--- a/cif/update.go
+++ b/cif/update.go
@@ -122,16 +122,21 @@ func runCifUpdateDownload(cfg *helpers.Configuration, metadata *dbAccess.CifMeta
 	return nil
 }
 
-// Wraps nrod.NrodDownload() into a function which can handle downloading data for a given day
+// Wraps nrod.NrodDownload() into a function which can handle downloading data for a given day.
+// Note that the previous days update is the latest and is downloaded.
 func fetchUpdate(t time.Time, cfg *helpers.Configuration) (io.ReadCloser, error) {
 	url, err := getUpdateUrl("daily")
 	if err != nil {
 		return nil, err
 	}
 
-	// Append day string to URL
-	url = url + getDayString(t)
+	// Calcuates the day yesterday which is the file that needs downloading
+	updateDay := t.Add(-24 * time.Hour)
 
+	// Append day string to URL
+	url = url + getDayString(updateDay)
+
+	log.Debug("Fetching CIF Data", zap.Time("Update_File_Produced", updateDay))
 	dataStream, err := nrod.NrodStream(url, cfg)
 	if err != nil {
 		return nil, err