diff --git a/toonz/sources/toonz/xsheetcmd.cpp b/toonz/sources/toonz/xsheetcmd.cpp
index 32673fc..1f36899 100644
--- a/toonz/sources/toonz/xsheetcmd.cpp
+++ b/toonz/sources/toonz/xsheetcmd.cpp
@@ -829,7 +829,8 @@ public:
     TApp *app                     = TApp::instance();
     TKeyframeSelection *selection = dynamic_cast<TKeyframeSelection *>(
         app->getCurrentSelection()->getSelection());
-    int row = app->getCurrentFrame()->getFrame();
+	if (!selection) return;
+	int row = app->getCurrentFrame()->getFrame();
 
     selection->selectNone();
     ToonzScene *scene = app->getCurrentScene()->getScene();
@@ -862,7 +863,7 @@ public:
     TApp *app                     = TApp::instance();
     TKeyframeSelection *selection = dynamic_cast<TKeyframeSelection *>(
         app->getCurrentSelection()->getSelection());
-
+	if (!selection) return;
     int col                 = app->getCurrentColumn()->getColumnIndex();
     TStageObjectId objectId = app->getCurrentObject()->getObjectId();
     if (app->getCurrentObject()->getObjectId() == TStageObjectId::CameraId(0)) {