diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java
index 42176573f..f503d6179 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java
@@ -300,6 +300,15 @@ public final class SWF implements SWFContainerItem, Timelined {
     @Internal
     private final Cache<ScriptPack, CachedDecompilation> as3Cache = Cache.getInstance(true, false, "as3");
 
+    public static List<String> swfSignatures = Arrays.asList(
+            "FWS", // Uncompressed Flash
+            "CWS", // ZLib compressed Flash
+            "ZWS", // LZMA compressed Flash
+            "GFX", // Uncompressed ScaleForm GFx
+            "CFX", // Compressed ScaleForm GFx
+            "ABC" // Non-standard LZMA compressed Flash
+    );
+
     public void updateCharacters() {
         characters = null;
     }
@@ -1149,14 +1158,7 @@ public final class SWF implements SWFContainerItem, Timelined {
         }
 
         String signature = new String(hdr, 0, 3, Utf8Helper.charset);
-        if (!Arrays.asList(
-                "FWS", // Uncompressed Flash
-                "CWS", // ZLib compressed Flash
-                "ZWS", // LZMA compressed Flash
-                "GFX", // Uncompressed ScaleForm GFx
-                "CFX", // Compressed ScaleForm GFx
-                "ABC" // Non-standard LZMA compressed Flash
-        ).contains(signature)) {
+        if (!swfSignatures.contains(signature)) {
             throw new SwfOpenException("Invalid SWF file, wrong signature.");
         }
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBinaryDataTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBinaryDataTag.java
index ec28fb1df..6ae411a51 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBinaryDataTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineBinaryDataTag.java
@@ -30,7 +30,6 @@ import com.jpexs.helpers.utf8.Utf8Helper;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.Arrays;
 
 /**
  *
@@ -115,13 +114,7 @@ public class DefineBinaryDataTag extends CharacterTag {
         try {
             if (binaryData.getLength() > 8) {
                 String signature = new String(binaryData.getRangeData(0, 3), Utf8Helper.charset);
-                if (Arrays.asList(
-                        "FWS", //Uncompressed Flash
-                        "CWS", //ZLib compressed Flash
-                        "ZWS", //LZMA compressed Flash
-                        "GFX", //Uncompressed ScaleForm GFx
-                        "CFX" //Compressed ScaleForm GFx
-                ).contains(signature)) {
+                if (SWF.swfSignatures.contains(signature)) {
                     return true;
                 }
             }