diff --git a/internal/handlers/file.go b/internal/handlers/file.go
index f8b8cf5..8142d4a 100644
--- a/internal/handlers/file.go
+++ b/internal/handlers/file.go
@@ -631,7 +631,14 @@ func generateCSV(eventName string, expenses []database.Expense, userName, userDe
 
 	// Write totals row.
 	if hasConversion {
-		writer.Write([]string{"TOTAL", "", "", fmt.Sprintf("%.2f", totalOrig), "", fmt.Sprintf("%.2f", totalConv), "", "", ""})
+		baseCur := ""
+		for _, exp := range expenses {
+			if exp.BaseCurrency != "" {
+				baseCur = exp.BaseCurrency
+				break
+			}
+		}
+		writer.Write([]string{"TOTAL", "", "", fmt.Sprintf("%.2f", totalOrig), "", fmt.Sprintf("%.2f %s", totalConv, baseCur), "", "", ""})
 	} else {
 		writer.Write([]string{"TOTAL", "", "", fmt.Sprintf("%.2f", totalOrig), "", "", "", ""})
 	}