diff --git a/src/java/org/apache/poi/poifs/crypt/EncryptionInfo.java b/src/java/org/apache/poi/poifs/crypt/EncryptionInfo.java
index 70dd03799..1ea9a8742 100644
--- a/src/java/org/apache/poi/poifs/crypt/EncryptionInfo.java
+++ b/src/java/org/apache/poi/poifs/crypt/EncryptionInfo.java
@@ -16,9 +16,9 @@
 ==================================================================== */
 package org.apache.poi.poifs.crypt;
 
-import org.apache.poi.poifs.filesystem.DocumentEntry;
 import org.apache.poi.poifs.filesystem.DirectoryNode;
 import org.apache.poi.poifs.filesystem.DocumentInputStream;
+import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
 import org.apache.poi.poifs.filesystem.POIFSFileSystem;
 
 import java.io.IOException;
@@ -38,6 +38,9 @@ public class EncryptionInfo {
     public EncryptionInfo(POIFSFileSystem fs) throws IOException {
        this(fs.getRoot());
     }
+    public EncryptionInfo(NPOIFSFileSystem fs) throws IOException {
+       this(fs.getRoot());
+    }
     public EncryptionInfo(DirectoryNode dir) throws IOException {
         DocumentInputStream dis = dir.createDocumentInputStream("EncryptionInfo");
         versionMajor = dis.readShort();