diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/launchConfigurations/LaunchConfigurationTabGroupViewer.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/launchConfigurations/LaunchConfigurationTabGroupViewer.java
index 4a2c500..093f86c 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/launchConfigurations/LaunchConfigurationTabGroupViewer.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/launchConfigurations/LaunchConfigurationTabGroupViewer.java
@@ -759,6 +759,7 @@
 		disposeExistingTabs();
 		updateButtons();
 		updateVisibleControls(false);
+		updateShowCommandLineVisibility(false);
 		ILaunchConfigurationDialog lcd = getLaunchConfigurationDialog();
 		if(lcd instanceof LaunchConfigurationsDialog) {
 			if(((LaunchConfigurationsDialog)lcd).isTreeSelectionEmpty()) {