diff --git a/src/InputObject.cpp b/src/InputObject.cpp
index 327bb2d..bbe3600 100644
--- a/src/InputObject.cpp
+++ b/src/InputObject.cpp
@@ -141,6 +141,7 @@ bool InputObject::eventFilter(QObject* obj, QEvent* event)
 }
 
 void InputObject::ShowPanel() {
+    if (!qApp->focusWidget()) return;
 	if (qApp->focusWidget()->inherits("QLineEdit"))
 	{
 		curLine = qobject_cast<QLineEdit*>(qApp->focusWidget());