diff --git a/uefitool.cpp b/uefitool.cpp
index 54c8f15..241a968 100644
--- a/uefitool.cpp
+++ b/uefitool.cpp
@@ -33,6 +33,7 @@ UEFITool::UEFITool(QWidget *parent) :
     connect(ui->actionRemove, SIGNAL(triggered()), this, SLOT(remove()));
     connect(ui->actionRebuild, SIGNAL(triggered()), this, SLOT(rebuild()));
     connect(ui->actionSaveImageFile, SIGNAL(triggered()), this, SLOT(saveImageFile()));
+	connect(ui->actionChangeToNone, SIGNAL(triggered()), this, SLOT(changeToNone()));
     connect(ui->actionChangeToEfi11, SIGNAL(triggered()), this, SLOT(changeToEfi11()));
     connect(ui->actionChangeToTiano, SIGNAL(triggered()), this, SLOT(changeToTiano()));
     connect(ui->actionChangeToLzma, SIGNAL(triggered()), this, SLOT(changeToLzma()));
@@ -107,14 +108,8 @@ void UEFITool::populateUi(const QModelIndex &current)
     ui->actionInsertBefore->setEnabled(type == TreeItem::File || type == TreeItem::Section);
     ui->actionInsertAfter->setEnabled(type == TreeItem::File || type == TreeItem::Section); 
     //ui->actionReplace->setEnabled(ffsEngine->isOfType(TreeItem::File, current));
-    ui->actionChangeToEfi11->setEnabled(type == TreeItem::Section && subtype == EFI_SECTION_COMPRESSION &&
-        (algorithm == COMPRESSION_ALGORITHM_NONE || algorithm == COMPRESSION_ALGORITHM_TIANO || algorithm == COMPRESSION_ALGORITHM_LZMA));
-    ui->actionChangeToTiano->setEnabled(type == TreeItem::Section && subtype == EFI_SECTION_COMPRESSION &&
-        (algorithm == COMPRESSION_ALGORITHM_NONE || algorithm == COMPRESSION_ALGORITHM_EFI11 || algorithm == COMPRESSION_ALGORITHM_LZMA));
-    ui->actionChangeToLzma->setEnabled(type == TreeItem::Section && subtype == EFI_SECTION_COMPRESSION &&
-        (algorithm == COMPRESSION_ALGORITHM_NONE || algorithm == COMPRESSION_ALGORITHM_EFI11 || algorithm == COMPRESSION_ALGORITHM_TIANO));
-    ui->menuChangeCompressionTo->setEnabled(ui->actionChangeToEfi11->isEnabled() || 
-        ui->actionChangeToTiano->isEnabled() || ui->actionChangeToLzma->isEnabled());
+	ui->menuChangeCompressionTo->setEnabled(type == TreeItem::Section && subtype == EFI_SECTION_COMPRESSION &&
+        (algorithm == COMPRESSION_ALGORITHM_NONE || COMPRESSION_ALGORITHM_EFI11 || algorithm == COMPRESSION_ALGORITHM_TIANO || algorithm == COMPRESSION_ALGORITHM_LZMA));
 }
 
 void UEFITool::rebuild()
@@ -251,6 +246,17 @@ void UEFITool::changeToLzma()
         ui->actionSaveImageFile->setEnabled(true);
 }
 
+void UEFITool::changeToNone()
+{
+    QModelIndex index = ui->structureTreeView->selectionModel()->currentIndex();
+    if (!index.isValid())
+        return;
+    
+    UINT8 result = ffsEngine->changeCompression(index, COMPRESSION_ALGORITHM_NONE);
+    if (result == ERR_SUCCESS)
+        ui->actionSaveImageFile->setEnabled(true);
+}
+
 void UEFITool::about()
 {
     QMessageBox::about(this, tr("About UEFITool"), tr(
diff --git a/uefitool.h b/uefitool.h
index 7d4eb99..219b531 100644
--- a/uefitool.h
+++ b/uefitool.h
@@ -61,6 +61,7 @@ private slots:
     void replace();
     void remove();
     void rebuild();
+	void changeToNone();
     void changeToEfi11();
     void changeToTiano();
     void changeToLzma();
diff --git a/uefitool.ui b/uefitool.ui
index 7344c92..a932c1c 100644
--- a/uefitool.ui
+++ b/uefitool.ui
@@ -20,7 +20,7 @@
    <bool>true</bool>
   </property>
   <property name="windowTitle">
-   <string>UEFITool 0.9.0</string>
+   <string>UEFITool 0.9.1</string>
   </property>
   <widget class="QWidget" name="centralWidget">
    <property name="sizePolicy">
@@ -221,11 +221,12 @@
     </property>
     <widget class="QMenu" name="menuChangeCompressionTo">
      <property name="enabled">
-      <bool>false</bool>
+      <bool>true</bool>
      </property>
      <property name="title">
       <string>Change &amp;compression to</string>
      </property>
+     <addaction name="actionChangeToNone"/>
      <addaction name="actionChangeToTiano"/>
      <addaction name="actionChangeToEfi11"/>
      <addaction name="actionChangeToLzma"/>
@@ -459,6 +460,14 @@
     <enum>QAction::QuitRole</enum>
    </property>
   </action>
+  <action name="actionChangeToNone">
+   <property name="text">
+    <string>&amp;Uncompressed</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+U</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources/>