diff --git a/trunk/src/com/jpexs/decompiler/flash/action/model/operations/BitXorActionItem.java b/trunk/src/com/jpexs/decompiler/flash/action/model/operations/BitXorActionItem.java
index aa7c29827..783b2c1bf 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/model/operations/BitXorActionItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/model/operations/BitXorActionItem.java
@@ -17,13 +17,16 @@
 package com.jpexs.decompiler.flash.action.model.operations;
 
 import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
+import com.jpexs.decompiler.flash.action.model.DirectValueActionItem;
 import com.jpexs.decompiler.flash.action.swf5.ActionBitXor;
 import com.jpexs.decompiler.flash.ecma.EcmaScript;
+import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
 import com.jpexs.decompiler.graph.CompilationException;
 import com.jpexs.decompiler.graph.GraphSourceItem;
 import com.jpexs.decompiler.graph.GraphTargetItem;
 import com.jpexs.decompiler.graph.SourceGenerator;
 import com.jpexs.decompiler.graph.model.BinaryOpItem;
+import com.jpexs.decompiler.graph.model.LocalData;
 import com.jpexs.decompiler.graph.model.UnboundedTypeItem;
 import java.util.List;
 
@@ -38,6 +41,25 @@ public class BitXorActionItem extends BinaryOpItem {
         return ((long) (double) EcmaScript.toNumber(leftSide.getResult())) ^ ((long) (double) EcmaScript.toNumber(rightSide.getResult()));
     }
 
+    @Override
+    public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
+        if((rightSide instanceof DirectValueActionItem)&&(((DirectValueActionItem)rightSide).value.equals(4.294967295E9))){
+            writer.append("~");
+            if(leftSide.getPrecedence()>PRECEDENCE_UNARY){
+                writer.append("(");
+            }
+            leftSide.appendTo(writer, localData);
+            if(leftSide.getPrecedence()>PRECEDENCE_UNARY){
+                writer.append(")");
+            }
+            return writer;
+        }else{
+            return super.appendTo(writer, localData);
+        }
+    }
+
+    
+    
     @Override
     public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
         return toSourceMerge(localData, generator, leftSide, rightSide, new ActionBitXor());
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/model/operations/SubtractActionItem.java b/trunk/src/com/jpexs/decompiler/flash/action/model/operations/SubtractActionItem.java
index 3776d51ff..0a4c78d18 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/model/operations/SubtractActionItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/model/operations/SubtractActionItem.java
@@ -17,6 +17,7 @@
 package com.jpexs.decompiler.flash.action.model.operations;
 
 import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
+import com.jpexs.decompiler.flash.action.model.DirectValueActionItem;
 import com.jpexs.decompiler.flash.action.swf4.ActionSubtract;
 import com.jpexs.decompiler.flash.ecma.EcmaScript;
 import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
@@ -42,24 +43,34 @@ public class SubtractActionItem extends BinaryOpItem {
 
     @Override
     public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
-        if (rightSide.getPrecedence() >= precedence) { // >=  add or subtract too
-            String ret = "";
-            if (leftSide.getPrecedence() > precedence) {
-                writer.append("(");
-                leftSide.toString(writer, localData);
-                writer.append(")");
-            } else {
-                leftSide.toString(writer, localData);
-            }
-            writer.append(" ");
+        if ((leftSide instanceof DirectValueActionItem)
+                && (((((DirectValueActionItem) leftSide).value instanceof Float) && (((Float) ((DirectValueActionItem) leftSide).value) == 0f))
+                || ((((DirectValueActionItem) leftSide).value instanceof Double) && (((Double) ((DirectValueActionItem) leftSide).value) == 0.0))
+                || ((((DirectValueActionItem) leftSide).value instanceof Long) && (((Long) ((DirectValueActionItem) leftSide).value) == 0L)))) {
             writer.append(operator);
             writer.append(" ");
-
-            writer.append("(");
-            rightSide.toString(writer, localData);
-            return writer.append(")");
+            rightSide.appendTo(writer, localData);
+            return writer;
         } else {
-            return super.appendTo(writer, localData);
+            if (rightSide.getPrecedence() >= precedence) { // >=  add or subtract too
+
+                if (leftSide.getPrecedence() > precedence) {
+                    writer.append("(");
+                    leftSide.toString(writer, localData);
+                    writer.append(")");
+                } else {
+                    leftSide.toString(writer, localData);
+                }
+                writer.append(" ");
+                writer.append(operator);
+                writer.append(" ");
+
+                writer.append("(");
+                rightSide.toString(writer, localData);
+                return writer.append(")");
+            } else {
+                return super.appendTo(writer, localData);
+            }
         }
     }
 
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/parser/script/ActionScriptParser.java b/trunk/src/com/jpexs/decompiler/flash/action/parser/script/ActionScriptParser.java
index cd493cd00..ecb6a2e91 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/parser/script/ActionScriptParser.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/parser/script/ActionScriptParser.java
@@ -1481,6 +1481,11 @@ public class ActionScriptParser {
         boolean existsRemainder = false;
         boolean assocRight = false;
         switch (s.type) {
+            case NEGATE:
+                ret = expression(registerVars, inFunction, inMethod, false, variables);
+                ret = new BitXorActionItem(null, ret, new DirectValueActionItem(4.294967295E9));
+                existsRemainder = true;
+                break;
             case MINUS:
                 s = lex();
                 if (s.isType(SymbolType.DOUBLE)) {
diff --git a/trunk/test/com/jpexs/decompiler/flash/ActionScript2Test.java b/trunk/test/com/jpexs/decompiler/flash/ActionScript2Test.java
index 4baec75fe..e6af4c66f 100644
--- a/trunk/test/com/jpexs/decompiler/flash/ActionScript2Test.java
+++ b/trunk/test/com/jpexs/decompiler/flash/ActionScript2Test.java
@@ -795,4 +795,14 @@ public class ActionScript2Test extends ActionStript2TestBase {
         );
     }
 
+    @Test
+    public void frame59_unaryOpTest() {
+        compareSrc(59, "trace(\"unaryOpTest\");\r\n"
+                + "var a = 5;\r\n"
+                + "var c = ~a;\r\n"
+                + "var d = ~(a + c);\r\n"
+                + "var e = - c;\r\n"
+        );
+    }
+
 }
diff --git a/trunk/testdata/as2/as2.fla b/trunk/testdata/as2/as2.fla
index 26d00063d..ea526f900 100644
Binary files a/trunk/testdata/as2/as2.fla and b/trunk/testdata/as2/as2.fla differ
diff --git a/trunk/testdata/as2/as2.swf b/trunk/testdata/as2/as2.swf
index 41710e660..691758e26 100644
Binary files a/trunk/testdata/as2/as2.swf and b/trunk/testdata/as2/as2.swf differ