diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb8798592..e5ae76984 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ All notable changes to this project will be documented in this file.
 - [#1880] JPEG Fixer
 - Close action from menu not available on bundles (zip, etc...)
 - [#1881] Wrong locale reference for invalid tag order
+- New file action
 
 ## [17.0.0] - 2022-11-20
 ### Added
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/OpenableSourceInfo.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/OpenableSourceInfo.java
index f1c79f75c..25bab61ad 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/OpenableSourceInfo.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/OpenableSourceInfo.java
@@ -105,8 +105,8 @@ public class OpenableSourceInfo {
         return file;
     }
 
-    public boolean isBundle() {
-        if (inputStream == null) {
+    public boolean isBundle() {        
+        if (inputStream == null && file != null) {
             File fileObj = new File(file);
             String fileName = fileObj.getName();
             if (fileName.startsWith("asdec_") && fileName.endsWith(".tmp")) {