diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57944bad7..b71fb2d94 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ All notable changes to this project will be documented in this file.
 - SVG export - bitmap stroke style
 - Flash viewer - is visible flag
 - Flash viewer - linear colorspace radial gradient
+- Folder preview of frames with time increasing
 
 ## [14.2.1] - 2021-03-13
 ### Added
diff --git a/src/com/jpexs/decompiler/flash/gui/FolderPreviewPanel.java b/src/com/jpexs/decompiler/flash/gui/FolderPreviewPanel.java
index 879b9c2c4..9a1b5ca14 100644
--- a/src/com/jpexs/decompiler/flash/gui/FolderPreviewPanel.java
+++ b/src/com/jpexs/decompiler/flash/gui/FolderPreviewPanel.java
@@ -311,7 +311,7 @@ public class FolderPreviewPanel extends JPanel {
             String key = "frame_" + fn.frame + "_" + timeline.id + "_" + zoom;
             imgSrc = swf.getFromCache(key);
             if (imgSrc == null) {
-                imgSrc = SWF.frameToImageGet(timeline, fn.frame, fn.frame, null, 0, rect, new Matrix(), null, null, zoom);
+                imgSrc = SWF.frameToImageGet(timeline, fn.frame, 0, null, 0, rect, new Matrix(), null, null, zoom);
                 swf.putToCache(key, imgSrc);
             }