diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d65366f3..9912358c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ All notable changes to this project will be documented in this file.
 - AS decompilation - Gotos handling vs and/or
 - AS decompilation - certain combinations of ifs and switch
 - AS3 jump deobfuscator - fix for try..catch clauses
+- [#1669] DefineBitsJPEG3/4 alpha premultiplied
 
 ## [14.3.1] - 2021-03-25
 ### Fixed
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/shape/BitmapExporter.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/shape/BitmapExporter.java
index 32f5b77be..aae6b53a5 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/shape/BitmapExporter.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/shape/BitmapExporter.java
@@ -44,10 +44,13 @@ import java.awt.TexturePaint;
 import java.awt.geom.AffineTransform;
 import java.awt.geom.GeneralPath;
 import java.awt.geom.NoninvertibleTransformException;
+import java.io.File;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import javax.imageio.ImageIO;
 
 /**
  *
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 d0ac3db6a..02dd17fe6 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
@@ -213,7 +213,7 @@ public class DefineBitsJPEG3Tag extends ImageTag implements AloneTag {
 
             int width = img.getWidth();
             int height = img.getHeight();
-            SerializableImage img2 = new SerializableImage(width, height, SerializableImage.TYPE_INT_ARGB_PRE);
+            SerializableImage img2 = new SerializableImage(width, height, SerializableImage.TYPE_INT_ARGB);
             int[] pixels = ((DataBufferInt) img.getRaster().getDataBuffer()).getData();
             int[] pixels2 = ((DataBufferInt) img2.getRaster().getDataBuffer()).getData();
             for (int i = 0; i < pixels.length; i++) {
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 c4ddb2b99..a605e1708 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
@@ -215,7 +215,7 @@ public class DefineBitsJPEG4Tag extends ImageTag implements AloneTag {
 
             int width = img.getWidth();
             int height = img.getHeight();
-            SerializableImage img2 = new SerializableImage(width, height, SerializableImage.TYPE_INT_ARGB_PRE);
+            SerializableImage img2 = new SerializableImage(width, height, SerializableImage.TYPE_INT_ARGB);
             int[] pixels = ((DataBufferInt) img.getRaster().getDataBuffer()).getData();
             int[] pixels2 = ((DataBufferInt) img2.getRaster().getDataBuffer()).getData();
             for (int i = 0; i < pixels.length; i++) {