diff --git a/core-java-io/src/main/java/com/baeldung/download/FileDownload.java b/core-java-io/src/main/java/com/baeldung/download/FileDownload.java
index c7dd154023..a099406d4c 100644
--- a/core-java-io/src/main/java/com/baeldung/download/FileDownload.java
+++ b/core-java-io/src/main/java/com/baeldung/download/FileDownload.java
@@ -45,6 +45,7 @@ public class FileDownload {
             FileOutputStream fileOutputStream = new FileOutputStream(localFilename); FileChannel fileChannel = fileOutputStream.getChannel()) {
 
             fileChannel.transferFrom(readableByteChannel, 0, Long.MAX_VALUE);
+            fileOutputStream.close();
         }
     }