diff --git a/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/ui/CDebuggerTab.java b/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/ui/CDebuggerTab.java
index d40ac86816d..d238bcf9295 100644
--- a/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/ui/CDebuggerTab.java
+++ b/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/ui/CDebuggerTab.java
@@ -142,10 +142,10 @@ public class CDebuggerTab extends CLaunchConfigurationTab {
 		catch (CoreException e) {
 			return;
 		}
+		fDCombo.removeAll();
 		if ( fDinfo != null ) {
 			fDinfo.clear();
 		}
-		fDCombo.removeAll();
 		debugConfigs = CDebugCorePlugin.getDefault().getDebugConfigurations();
 		fDinfo = new ArrayList(debugConfigs.length);
 		for( int i = 0; i < debugConfigs.length; i++ ) {