diff --git a/lib/webp4j-1.3.1.jar b/lib/webp4j-1.3.1.jar
deleted file mode 100644
index 799c6d1ae..000000000
Binary files a/lib/webp4j-1.3.1.jar and /dev/null differ
diff --git a/lib/webp4j-1.4.0.jar b/lib/webp4j-1.4.0.jar
new file mode 100644
index 000000000..efd3c10ad
Binary files /dev/null and b/lib/webp4j-1.4.0.jar differ
diff --git a/libsrc/ffdec_lib/lib/webp4j-1.3.1.jar b/libsrc/ffdec_lib/lib/webp4j-1.3.1.jar
deleted file mode 100644
index 799c6d1ae..000000000
Binary files a/libsrc/ffdec_lib/lib/webp4j-1.3.1.jar and /dev/null differ
diff --git a/libsrc/ffdec_lib/lib/webp4j-1.4.0.jar b/libsrc/ffdec_lib/lib/webp4j-1.4.0.jar
new file mode 100644
index 000000000..efd3c10ad
Binary files /dev/null and b/libsrc/ffdec_lib/lib/webp4j-1.4.0.jar differ
diff --git a/libsrc/ffdec_lib/nbproject/project.xml b/libsrc/ffdec_lib/nbproject/project.xml
index 4abe97c42..5c7c8f075 100644
--- a/libsrc/ffdec_lib/nbproject/project.xml
+++ b/libsrc/ffdec_lib/nbproject/project.xml
@@ -242,7 +242,7 @@ auxiliary.show.customizer.message=<message>
         <java-data xmlns="http://www.netbeans.org/ns/freeform-project-java/4">
             <compilation-unit>
                 <package-root>src</package-root>
-                <classpath mode="compile">../../src;lib/LZMA.jar;lib/avi.jar;lib/cmykjpeg.jar;lib/ddsreader.jar;lib/gif.jar;lib/gnujpdf.jar;lib/jlayer-1.0.2.jar;lib/jpacker.jar;lib/nellymoser.jar;lib/sfntly.jar;lib/tga.jar;lib/ttf.jar;lib/vlcj-4.7.3.jar;lib/vlcj-natives-4.7.0.jar;lib/flashdebugger.jar;lib/jna-3.5.1.jar;lib/jna-platform-3.5.1.jar;lib/gifreader.jar;lib/miterstroke.jar;lib/decimal.jar;lib/flacomdoc.jar;lib/tomlj-1.1.1.jar;lib/decimal.jar;lib/webp4j-1.3.1.jar</classpath>
+                <classpath mode="compile">../../src;lib/LZMA.jar;lib/avi.jar;lib/cmykjpeg.jar;lib/ddsreader.jar;lib/gif.jar;lib/gnujpdf.jar;lib/jlayer-1.0.2.jar;lib/jpacker.jar;lib/nellymoser.jar;lib/sfntly.jar;lib/tga.jar;lib/ttf.jar;lib/vlcj-4.7.3.jar;lib/vlcj-natives-4.7.0.jar;lib/flashdebugger.jar;lib/jna-3.5.1.jar;lib/jna-platform-3.5.1.jar;lib/gifreader.jar;lib/miterstroke.jar;lib/decimal.jar;lib/flacomdoc.jar;lib/tomlj-1.1.1.jar;lib/decimal.jar;lib/webp4j-1.4.0.jar</classpath>
                 <built-to>build</built-to>
                 <built-to>reports</built-to>
                 <built-to>dist</built-to>
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/enums/ImageFormat.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/enums/ImageFormat.java
index a170301aa..1236174b8 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/enums/ImageFormat.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/enums/ImageFormat.java
@@ -17,7 +17,6 @@
 package com.jpexs.decompiler.flash.tags.enums;
 
 import dev.matrixlab.webp4j.WebPCodec;
-import java.awt.image.BufferedImage;
 
 /**
  * Image format.
@@ -68,12 +67,7 @@ public enum ImageFormat {
 
     public boolean available() {
         if (this == WEBP) {
-            //WEBP may be unavailable on some platforms, we're gonna test sample call
-            try {
-                WebPCodec.encodeLosslessImage(new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB));
-            } catch (Throwable t) {
-                return false;
-            }
+            return WebPCodec.isAvailable();
         }
         return true;
     }
diff --git a/nbproject/project.xml b/nbproject/project.xml
index 7974aff60..bc7d0a301 100644
--- a/nbproject/project.xml
+++ b/nbproject/project.xml
@@ -329,7 +329,7 @@
         <java-data xmlns="http://www.netbeans.org/ns/freeform-project-java/4">
             <compilation-unit>
                 <package-root>src</package-root>
-                <classpath mode="compile">lib/jpproxy.jar;lib/trident-6.2.jar;lib/substance-flamingo-6.2.jar;lib/flamingo-6.2.jar;lib/substance-fix.jar;lib/substance-6.2.jar;libsrc/ffdec_lib/src;lib/tablelayout.jar;lib/jsyntaxpane-0.9.5.jar;lib/JavactiveX.jar;lib/flashdebugger.jar;lib/treetable.jar;lib/minimal-json-0.9.5.jar;libsrc/ffdec_lib/lib/gnujpdf.jar;libsrc/ffdec_lib/lib/jna-3.5.1.jar;libsrc/ffdec_lib/lib/jna-platform-3.5.1.jar;libsrc/ffdec_lib/lib/flashdebugger.jar;lib/gifreader.jar;lib/jansi-2.4.0.jar;lib/decimal.jar;lib/webp4j-1.3.1.jar</classpath>
+                <classpath mode="compile">lib/jpproxy.jar;lib/trident-6.2.jar;lib/substance-flamingo-6.2.jar;lib/flamingo-6.2.jar;lib/substance-fix.jar;lib/substance-6.2.jar;libsrc/ffdec_lib/src;lib/tablelayout.jar;lib/jsyntaxpane-0.9.5.jar;lib/JavactiveX.jar;lib/flashdebugger.jar;lib/treetable.jar;lib/minimal-json-0.9.5.jar;libsrc/ffdec_lib/lib/gnujpdf.jar;libsrc/ffdec_lib/lib/jna-3.5.1.jar;libsrc/ffdec_lib/lib/jna-platform-3.5.1.jar;libsrc/ffdec_lib/lib/flashdebugger.jar;lib/gifreader.jar;lib/jansi-2.4.0.jar;lib/decimal.jar;lib/webp4j-1.4.0.jar</classpath>
                 <built-to>build</built-to>
                 <built-to>javadoc</built-to>
                 <built-to>reports</built-to>