diff --git a/trunk/src/com/jpexs/asdec/Main.java b/trunk/src/com/jpexs/asdec/Main.java
index 44674c46e..1c33d3ba2 100644
--- a/trunk/src/com/jpexs/asdec/Main.java
+++ b/trunk/src/com/jpexs/asdec/Main.java
@@ -70,6 +70,9 @@ public class Main {
     /** Turn off decompiling if needed */
     public static final boolean DO_DECOMPILE=true;
 
+    //using parameter names in decompiling may cause problems because oficial programs like Flash CS 5.5 inserts wrong parameter names indices
+    public static final boolean PARAM_NAMES_ENABLE=false;
+
     public static String getFileTitle() {
         if (maskURL != null) return maskURL;
         return file;
diff --git a/trunk/src/com/jpexs/asdec/abc/gui/MethodInfoPanel.java b/trunk/src/com/jpexs/asdec/abc/gui/MethodInfoPanel.java
index c8e539152..779f2411e 100644
--- a/trunk/src/com/jpexs/asdec/abc/gui/MethodInfoPanel.java
+++ b/trunk/src/com/jpexs/asdec/abc/gui/MethodInfoPanel.java
@@ -18,6 +18,7 @@
 
 package com.jpexs.asdec.abc.gui;
 
+import com.jpexs.asdec.Main;
 import com.jpexs.asdec.abc.ABC;
 import com.jpexs.asdec.abc.methodinfo_parser.MethodInfoParser;
 import com.jpexs.asdec.abc.methodinfo_parser.ParseException;
@@ -66,7 +67,7 @@ public class MethodInfoPanel extends JPanel {
          if(p>0){
             ret+=",\n";
          }
-         if(methodInfo.flagHas_paramnames())
+         if(methodInfo.flagHas_paramnames()&&Main.PARAM_NAMES_ENABLE)
          {
             ret=ret+abc.constants.constant_string[methodInfo.paramNames[p]];
          }else{
diff --git a/trunk/src/com/jpexs/asdec/abc/methodinfo_parser/MethodInfoParser.java b/trunk/src/com/jpexs/asdec/abc/methodinfo_parser/MethodInfoParser.java
index 83b6af2c3..5d5532970 100644
--- a/trunk/src/com/jpexs/asdec/abc/methodinfo_parser/MethodInfoParser.java
+++ b/trunk/src/com/jpexs/asdec/abc/methodinfo_parser/MethodInfoParser.java
@@ -17,6 +17,7 @@
  */
 package com.jpexs.asdec.abc.methodinfo_parser;
 
+import com.jpexs.asdec.Main;
 import com.jpexs.asdec.abc.ABC;
 import com.jpexs.asdec.abc.types.MethodInfo;
 import com.jpexs.asdec.abc.types.ValueKind;
@@ -202,6 +203,9 @@ public class MethodInfoParser {
             useParamNames=true;
          }
       }
+      if(!Main.PARAM_NAMES_ENABLE){
+         useParamNames=false;
+      }
       if(useParamNames){
          update.setFlagHas_paramnames();
          update.paramNames=new int[paramNames.size()];
diff --git a/trunk/src/com/jpexs/asdec/abc/types/MethodBody.java b/trunk/src/com/jpexs/asdec/abc/types/MethodBody.java
index 73ced1fd6..1256e270c 100644
--- a/trunk/src/com/jpexs/asdec/abc/types/MethodBody.java
+++ b/trunk/src/com/jpexs/asdec/abc/types/MethodBody.java
@@ -18,6 +18,7 @@
 
 package com.jpexs.asdec.abc.types;
 
+import com.jpexs.asdec.Main;
 import com.jpexs.asdec.abc.ABC;
 import com.jpexs.asdec.abc.avm2.AVM2Code;
 import com.jpexs.asdec.abc.avm2.ConstantPool;
@@ -48,11 +49,15 @@ public class MethodBody implements Cloneable {
      private String replaceParams(String code, ABC abc) {
         for (int i = 1; i <= abc.method_info[this.method_info].param_types.length; i++) {
             String paramName="param"+i;
-            if(abc.method_info[this.method_info].flagHas_paramnames()){
+            if(abc.method_info[this.method_info].flagHas_paramnames()&&Main.PARAM_NAMES_ENABLE){
                paramName=abc.constants.constant_string[abc.method_info[this.method_info].paramNames[i-1]];
             }
             code = code.replace(InstructionDefinition.localRegName(i), paramName);
         }
+        if(abc.method_info[this.method_info].flagNeed_rest())
+        {
+           code = code.replace(InstructionDefinition.localRegName(abc.method_info[this.method_info].param_types.length+1), "rest");
+        }
         return code;
     }
 
diff --git a/trunk/src/com/jpexs/asdec/abc/types/MethodInfo.java b/trunk/src/com/jpexs/asdec/abc/types/MethodInfo.java
index 8dfd05050..1c6b48202 100644
--- a/trunk/src/com/jpexs/asdec/abc/types/MethodInfo.java
+++ b/trunk/src/com/jpexs/asdec/abc/types/MethodInfo.java
@@ -18,6 +18,7 @@
 
 package com.jpexs.asdec.abc.types;
 
+import com.jpexs.asdec.Main;
 import com.jpexs.asdec.abc.avm2.ConstantPool;
 import com.jpexs.asdec.helpers.Helper;
 
@@ -178,7 +179,7 @@ public class MethodInfo {
             if (i > 0) {
                 paramStr += ", ";
             }
-            if ((paramNames.length > i) && (paramNames[i] != 0)) {
+            if ((paramNames.length > i) && (paramNames[i] != 0) && Main.PARAM_NAMES_ENABLE) {
                 paramStr += constants.constant_string[paramNames[i]];
             } else {
                 paramStr += "param" + (i + 1);
@@ -191,12 +192,13 @@ public class MethodInfo {
             }
             if (optional != null) {
                 if (i >= param_types.length - optional.length) {
-                    //System.out.println("param_types.length:"+param_types.length);
-                    //System.out.println("optional.lengt:"+optional.length);
                     paramStr += "=" + optional[i - (param_types.length - optional.length)].toString(constants);
                 }
             }
         }
+        if(flagNeed_rest()){
+           paramStr+=", ... rest";
+        }
         return paramStr;
     }