diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2414fbb9..fe2ec4c34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ All notable changes to this project will be documented in this file.
 - [#1923] Wrong cyclic tag detection causing hidden sprites
 - Ctrl + G shortcut for tag list view
 - Uncompressed FLA (XFL) export creates a directory
+- [#1827] Video replacing VP6 reading
 
 ### Changed
 - [#1913] SVG export/import of shapes - shape exact position (bounds) is retained
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/MovieImporter.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/MovieImporter.java
index b4aef0c32..8f5f3a310 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/MovieImporter.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/importers/MovieImporter.java
@@ -286,6 +286,7 @@ public class MovieImporter {
                 for (FLVTAG ftag : videoTags) {
                     videoData = ((VIDEODATA) ftag.data);
                     if (videoData.codecId == VIDEODATA.CODEC_VP6 || videoData.codecId == VIDEODATA.CODEC_VP6_ALPHA) {
+                        dis = new FLVInputStream(new ByteArrayInputStream(videoData.videoData));                    
                         int horizontalAdjustment = (int) dis.readUB(4);
                         int verticalAdjustment = (int) dis.readUB(4);
                         if (videoData.codecId == VIDEODATA.CODEC_VP6_ALPHA) {
diff --git a/src/com/jpexs/decompiler/flash/gui/MainPanel.java b/src/com/jpexs/decompiler/flash/gui/MainPanel.java
index 2949b1d3a..3ca37a0de 100644
--- a/src/com/jpexs/decompiler/flash/gui/MainPanel.java
+++ b/src/com/jpexs/decompiler/flash/gui/MainPanel.java
@@ -4276,6 +4276,7 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
                 new MovieImporter().importMovie(movie, Helper.readFile(selfile.getAbsolutePath()));          
                 refreshTree();                                    
             } catch (IOException ex) {
+                logger.log(Level.SEVERE, "Invalid movie", ex);
                 ViewMessages.showMessageDialog(MainPanel.this, translate("error.movie.invalid") + ": "+ex.getMessage(), translate("error"), JOptionPane.ERROR_MESSAGE);
             }
         }