diff --git a/src/filterbankwidget.cpp b/src/filterbankwidget.cpp
index c948411..3b05ec3 100644
--- a/src/filterbankwidget.cpp
+++ b/src/filterbankwidget.cpp
@@ -36,6 +36,14 @@ FilterBankWidget::FilterBankWidget(QWidget *parent)
                 "font-size: 8px;}");
     connect(m_bypass, SIGNAL(stateChanged(int)), this, SLOT(bypassChanged(int)));
     master->addWidget(fb[0]);
+    fb[0]->setFocusPolicy(Qt::NoFocus);
+    fb[0]->setButtonSymbols(QAbstractSpinBox::NoButtons);
+    fb[0]->setValue(-1);
+    fb[0]->setDecimals(1);
+    fb[0]->setAlignment(Qt::AlignHCenter);
+    fb[0]->setContentsMargins(0, 0, 0, 0);
+    fb[0]->setMaximumWidth(66);
+    fb[0]->setMinimumWidth(25);
     layout->addLayout(master);
     for (int i = 1; i < 13;) {
         QVBoxLayout *filterLayout= new QVBoxLayout;