diff --git a/toonz/sources/toonz/columncommand.cpp b/toonz/sources/toonz/columncommand.cpp
index 0aa1e17..77c4f7a 100644
--- a/toonz/sources/toonz/columncommand.cpp
+++ b/toonz/sources/toonz/columncommand.cpp
@@ -1225,6 +1225,7 @@ public:
         TApp::instance()->getCurrentSelection()->getSelection());
     TXsheet *xsh = TApp::instance()->getCurrentXsheet()->getXsheet();
     int cc       = TApp::instance()->getCurrentColumn()->getColumnIndex();
+	bool sound_changed = false;
     for (int i = 0; i < xsh->getColumnCount(); i++) {
       /*- 空のカラムの場合は飛ばす -*/
       if (xsh->isColumnEmpty(i)) continue;
@@ -1271,6 +1272,7 @@ public:
           column->setCamstandVisible(negate);
         else
           column->setCamstandVisible(!column->isCamstandVisible());
+		if (column->getSoundColumn()) sound_changed = true;
       }
       /*TAB
 if(cmd & (CMD_ENABLE_PREVIEW|CMD_DISABLE_PREVIEW|CMD_TOGGLE_PREVIEW))
@@ -1293,6 +1295,7 @@ column->setCamstandVisible(!column->isCamstandVisible());
 }
       */
     }
+	if (sound_changed) TApp::instance()->getCurrentXsheet()->notifyXsheetSoundChanged();
     TApp::instance()->getCurrentXsheet()->notifyXsheetChanged();
     TApp::instance()->getCurrentScene()->setDirtyFlag(true);
   }