diff --git a/source/net/filebot/ui/MainFrame.java b/source/net/filebot/ui/MainFrame.java
index 7214e31f..cc6d3e53 100644
--- a/source/net/filebot/ui/MainFrame.java
+++ b/source/net/filebot/ui/MainFrame.java
@@ -143,6 +143,9 @@ public class MainFrame extends JFrame {
 	}
 
 	private void showPanel(PanelBuilder selectedBuilder) {
+		if (selectedBuilder == null)
+			return;
+
 		JComponent contentPane = (JComponent) getContentPane();
 		JComponent selectedPanel = null;