diff --git a/cmd/datasheet-converter.go b/cmd/datasheet-converter.go
index 1a2aea5..c3fa792 100644
--- a/cmd/datasheet-converter.go
+++ b/cmd/datasheet-converter.go
@@ -103,6 +103,8 @@ func main() {
 		id++
 		addTask(id, file)
 	}
+
+	pool.Wait()
 }
 
 func addTask(id int64, file *datasheet.DataSheetFile) {