diff --git a/src/com/webcodepro/applecommander/storage/Disk.java b/src/com/webcodepro/applecommander/storage/Disk.java
index d96e9a4..8f6b2ec 100644
--- a/src/com/webcodepro/applecommander/storage/Disk.java
+++ b/src/com/webcodepro/applecommander/storage/Disk.java
@@ -266,6 +266,23 @@ public class Disk {
 		return diskImage.length;
 	}
 	
+	/**
+	 * Resize a disk image up to a larger size.  The primary intention is to
+	 * "fix" disk images that have been created too small.  The primary culprit
+	 * is ApplePC HDV images which dynamically grow.  Since AppleCommander
+	 * works with a byte array, the image must grow to its full size.
+	 * @param newSize
+	 */
+	protected void resizeDiskImage(int newSize) {
+		if (newSize < diskImage.length) {
+			throw new IllegalArgumentException(
+				"Cannot resize a disk to be smaller than the current size!");
+		}
+		byte[] newDiskImage = new byte[newSize];
+		System.arraycopy(diskImage, 0, newDiskImage, 0, diskImage.length);
+		diskImage = newDiskImage;
+	}
+	
 	/**
 	 * Read the block from the disk image.
 	 */
diff --git a/src/com/webcodepro/applecommander/storage/FormattedDisk.java b/src/com/webcodepro/applecommander/storage/FormattedDisk.java
index 58b2c94..bac898a 100644
--- a/src/com/webcodepro/applecommander/storage/FormattedDisk.java
+++ b/src/com/webcodepro/applecommander/storage/FormattedDisk.java
@@ -354,4 +354,12 @@ public abstract class FormattedDisk extends Disk implements DirectoryEntry {
 	public FormattedDisk getFormattedDisk() {
 		return this;
 	}
+	
+	/**
+	 * Resize the disk image to be its full size.  Only invole this
+	 * method if a size does not match exception is thrown.
+	 */
+	public void resizeDiskImage() {
+		resizeDiskImage(getFreeSpace() + getUsedSpace());
+	}
 }