diff --git a/src/main/java/net/lingala/zip4j/io/inputstream/NumberedSplitRandomAccessFile.java b/src/main/java/net/lingala/zip4j/io/inputstream/NumberedSplitRandomAccessFile.java
index 6c723c0e..432a1482 100644
--- a/src/main/java/net/lingala/zip4j/io/inputstream/NumberedSplitRandomAccessFile.java
+++ b/src/main/java/net/lingala/zip4j/io/inputstream/NumberedSplitRandomAccessFile.java
@@ -119,6 +119,14 @@ public long length() throws IOException {
     return randomAccessFile.length();
   }
 
+  @Override
+  public void close() throws IOException {
+    if (randomAccessFile != null) {
+      randomAccessFile.close();
+    }
+    super.close();
+  }
+
   public void seekInCurrentPart(long pos) throws IOException {
     randomAccessFile.seek(pos);
   }