diff --git a/src/api/mod.rs b/src/api/mod.rs
index f3c447c..69a1555 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -92,7 +92,8 @@ async fn download_pdf(id: u8) -> Result<String, Error> {
             .arg(&pdf_path)
             .arg(&csv_path)
             .spawn()
-            .expect("Failed to generate csv file");
+            .expect("Failed to generate csv file")
+            .wait()?;
     }
 
     Ok(csv_path)