diff --git a/trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java b/trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java
index e3a446070..c88803ad3 100644
--- a/trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java
+++ b/trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java
@@ -585,7 +585,7 @@ public class SWFInputStream extends InputStream {
 
             if (ins.isBranch() || ins.isJump()) {
 
-                if (ins instanceof ActionIf && !stack.isEmpty() && (stack.peek().isCompileTime())) {
+                if (ins instanceof ActionIf && !stack.isEmpty() && (stack.peek().isCompileTime()&&(!stack.peek().hasSideEffect()))) {
                     ActionIf aif = (ActionIf) ins;
                     if (aif.ignoreUsed && (!aif.jumpUsed)) {
                         ins.setIgnored(true);
@@ -872,7 +872,7 @@ public class SWFInputStream extends InputStream {
                             } else if (next.equals("c")) {
                                 goaif = true;
                             }
-                        } else if (top.isCompileTime() && ((!top.isVariableComputed()) || (top.isVariableComputed() && enableVariables && (!notCompileTime)))) {
+                        } else if (top.isCompileTime() && (!top.hasSideEffect()) && ((!top.isVariableComputed()) || (top.isVariableComputed() && enableVariables && (!notCompileTime)))) {
                             //if(top.isCompileTime()) {
                             //if(false){
                             if (enableVariables) {
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetMemberTreeItem.java b/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetMemberTreeItem.java
index 0819dbcdb..8f03f0dc7 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetMemberTreeItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetMemberTreeItem.java
@@ -18,6 +18,7 @@ package com.jpexs.decompiler.flash.action.treemodel;
 
 import com.jpexs.decompiler.flash.graph.GraphSourceItem;
 import com.jpexs.decompiler.flash.graph.GraphTargetItem;
+import static com.jpexs.decompiler.flash.graph.GraphTargetItem.PRECEDENCE_ASSIGMENT;
 import java.util.List;
 
 public class SetMemberTreeItem extends TreeItem implements SetTypeTreeItem {
@@ -27,7 +28,7 @@ public class SetMemberTreeItem extends TreeItem implements SetTypeTreeItem {
     public GraphTargetItem value;
 
     public SetMemberTreeItem(GraphSourceItem instruction, GraphTargetItem object, GraphTargetItem objectName, GraphTargetItem value) {
-        super(instruction, PRECEDENCE_PRIMARY);
+        super(instruction, PRECEDENCE_ASSIGMENT);
         this.object = object;
         this.objectName = objectName;
         this.value = value;
@@ -55,4 +56,9 @@ public class SetMemberTreeItem extends TreeItem implements SetTypeTreeItem {
         ret.addAll(value.getNeededSources());
         return ret;
     }
+    
+    @Override
+    public boolean hasSideEffect() {
+        return true;
+    }
 }
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetPropertyTreeItem.java b/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetPropertyTreeItem.java
index 162c98f60..ef7e4420a 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetPropertyTreeItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetPropertyTreeItem.java
@@ -19,6 +19,7 @@ package com.jpexs.decompiler.flash.action.treemodel;
 import com.jpexs.decompiler.flash.action.Action;
 import com.jpexs.decompiler.flash.graph.GraphSourceItem;
 import com.jpexs.decompiler.flash.graph.GraphTargetItem;
+import static com.jpexs.decompiler.flash.graph.GraphTargetItem.PRECEDENCE_ASSIGMENT;
 import java.util.List;
 
 public class SetPropertyTreeItem extends TreeItem implements SetTypeTreeItem {
@@ -28,7 +29,7 @@ public class SetPropertyTreeItem extends TreeItem implements SetTypeTreeItem {
     public GraphTargetItem value;
 
     public SetPropertyTreeItem(GraphSourceItem instruction, GraphTargetItem target, int propertyIndex, GraphTargetItem value) {
-        super(instruction, PRECEDENCE_PRIMARY);
+        super(instruction, PRECEDENCE_ASSIGMENT);
         this.target = target;
         this.propertyIndex = propertyIndex;
         this.value = value;
@@ -54,4 +55,9 @@ public class SetPropertyTreeItem extends TreeItem implements SetTypeTreeItem {
         ret.addAll(value.getNeededSources());
         return ret;
     }
+    
+    @Override
+    public boolean hasSideEffect() {
+        return true;
+    }
 }
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetVariableTreeItem.java b/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetVariableTreeItem.java
index 4918d0315..cd6327848 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetVariableTreeItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/treemodel/SetVariableTreeItem.java
@@ -18,6 +18,7 @@ package com.jpexs.decompiler.flash.action.treemodel;
 
 import com.jpexs.decompiler.flash.graph.GraphSourceItem;
 import com.jpexs.decompiler.flash.graph.GraphTargetItem;
+import static com.jpexs.decompiler.flash.graph.GraphTargetItem.PRECEDENCE_ASSIGMENT;
 import java.util.List;
 
 public class SetVariableTreeItem extends TreeItem implements SetTypeTreeItem {
@@ -26,7 +27,7 @@ public class SetVariableTreeItem extends TreeItem implements SetTypeTreeItem {
     public GraphTargetItem value;
 
     public SetVariableTreeItem(GraphSourceItem instruction, GraphTargetItem name, GraphTargetItem value) {
-        super(instruction, PRECEDENCE_PRIMARY);
+        super(instruction, PRECEDENCE_ASSIGMENT);
         this.name = name;
         this.value = value;
     }
@@ -53,4 +54,11 @@ public class SetVariableTreeItem extends TreeItem implements SetTypeTreeItem {
     public boolean isCompileTime() {
         return value.isCompileTime();
     }
+
+    @Override
+    public boolean hasSideEffect() {
+        return true;
+    }
+    
+    
 }