diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBitsJPEG3Tag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBitsJPEG3Tag.java
index 6f1a90470..e518fdeb2 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBitsJPEG3Tag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBitsJPEG3Tag.java
@@ -128,7 +128,7 @@ public class DefineBitsJPEG3Tag extends ImageTag implements AloneTag {
 
             bitmapAlphaData = new ByteArrayRange(SWFOutputStream.compressByteArray(ba));
         } else {
-            bitmapAlphaData = ByteArrayRange.EMPTY;
+            bitmapAlphaData = new ByteArrayRange(SWFOutputStream.compressByteArray(new byte[0]));
         }
 
         imageData = new ByteArrayRange(data);
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBitsJPEG4Tag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBitsJPEG4Tag.java
index 0003fc48f..a3e5e2570 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBitsJPEG4Tag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBitsJPEG4Tag.java
@@ -133,7 +133,7 @@ public class DefineBitsJPEG4Tag extends ImageTag implements AloneTag {
 
             bitmapAlphaData = new ByteArrayRange(SWFOutputStream.compressByteArray(ba));
         } else {
-            bitmapAlphaData = ByteArrayRange.EMPTY;
+            bitmapAlphaData = new ByteArrayRange(SWFOutputStream.compressByteArray(new byte[0]));
         }
 
         imageData = new ByteArrayRange(data);