diff --git a/toonz/sources/toonz/xshcolumnviewer.cpp b/toonz/sources/toonz/xshcolumnviewer.cpp
index d123d5d7..3b80841a 100644
--- a/toonz/sources/toonz/xshcolumnviewer.cpp
+++ b/toonz/sources/toonz/xshcolumnviewer.cpp
@@ -1923,9 +1923,15 @@ using namespace DVGui;
 
 ColumnTransparencyPopup::ColumnTransparencyPopup(XsheetViewer *viewer,
                                                  QWidget *parent)
-    : QWidget(parent, Qt::Popup), m_viewer(viewer), m_lockBtn(nullptr) {
+    : QWidget(parent, Qt::Popup)
+    , m_viewer(viewer)
+    , m_lockBtn(nullptr)
+    , m_keepClosed(false) {
   setFixedWidth(8 + 78 + 8 + 100 + 8 + 8 + 8 + 7);
 
+  m_keepClosedTimer = new QTimer(this);
+  m_keepClosedTimer->setSingleShot(true);
+
   m_slider = new QSlider(Qt::Horizontal, this);
   m_slider->setMinimum(1);
   m_slider->setMaximum(100);
@@ -2019,6 +2025,9 @@ m_value->setFont(font);*/
     ret = ret && connect(m_lockBtn, SIGNAL(clicked(bool)), this,
                          SLOT(onLockButtonClicked(bool)));
 
+  ret = ret && connect(m_keepClosedTimer, SIGNAL(timeout()), this,
+                       SLOT(resetKeepClosed()));
+
   assert(ret);
 }
 
@@ -2106,6 +2115,16 @@ void ColumnTransparencyPopup::mouseReleaseEvent(QMouseEvent *e) {
   // hide();
 }
 
+void ColumnTransparencyPopup::hideEvent(QHideEvent *e) {
+  m_keepClosedTimer->start(300);
+  m_keepClosed = true;
+}
+
+void ColumnTransparencyPopup::resetKeepClosed() {
+  if (m_keepClosedTimer) m_keepClosedTimer->stop();
+  m_keepClosed = false;
+}
+
 //------------------------------------------------------------------------------
 
 SoundColumnPopup::SoundColumnPopup(QWidget *parent)
@@ -2214,6 +2233,10 @@ void ColumnArea::openTransparencyPopup() {
   TXshColumn *column = m_viewer->getXsheet()->getColumn(m_col);
   if (!column || column->isEmpty()) return;
 
+  if (m_columnTransparencyPopup->getcolumn() == column &&
+      m_columnTransparencyPopup->isKeepClosed())
+    return;
+
   if (!column->isCamstandVisible()) {
     column->setCamstandVisible(true);
     TApp::instance()->getCurrentScene()->notifySceneChanged();
diff --git a/toonz/sources/toonz/xshcolumnviewer.h b/toonz/sources/toonz/xshcolumnviewer.h
index 8f8b5095..ee392717 100644
--- a/toonz/sources/toonz/xshcolumnviewer.h
+++ b/toonz/sources/toonz/xshcolumnviewer.h
@@ -222,13 +222,21 @@ class ColumnTransparencyPopup final : public QWidget {
   XsheetViewer *m_viewer;
   QPushButton *m_lockBtn;
 
+  QTimer *m_keepClosedTimer;
+  bool m_keepClosed;
+
 public:
   ColumnTransparencyPopup(XsheetViewer *viewer, QWidget *parent);
   void setColumn(TXshColumn *column);
+  TXshColumn *getcolumn() { return m_column; }
+
+  bool isKeepClosed() { return m_keepClosed; }
+  void setKeepClosed(bool keepClosed) { m_keepClosed = keepClosed; }
 
 protected:
   // void mouseMoveEvent ( QMouseEvent * e );
   void mouseReleaseEvent(QMouseEvent *e) override;
+  void hideEvent(QHideEvent *e) override;
 
 protected slots:
   void onSliderReleased();
@@ -238,6 +246,8 @@ protected slots:
 
   void onFilterColorChanged(int id);
   void onLockButtonClicked(bool on);
+
+  void resetKeepClosed();
 };
 
 class SoundColumnPopup final : public QWidget {