diff --git a/src/com/webcodepro/applecommander/storage/os/prodos/ProdosSubdirectoryHeader.java b/src/com/webcodepro/applecommander/storage/os/prodos/ProdosSubdirectoryHeader.java
index bd631ab..096a44d 100644
--- a/src/com/webcodepro/applecommander/storage/os/prodos/ProdosSubdirectoryHeader.java
+++ b/src/com/webcodepro/applecommander/storage/os/prodos/ProdosSubdirectoryHeader.java
@@ -59,6 +59,7 @@ public class ProdosSubdirectoryHeader extends ProdosCommonDirectoryHeader {
 	public void setParentPointer(int block) {
 		byte[] data = readFileEntry();
 		AppleUtil.setWordValue(data, 0x23, block);
+		writeFileEntry(data);
 	}
 	
 	/**