diff --git a/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/preferences/ProblemsTreeEditor.java b/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/preferences/ProblemsTreeEditor.java
index 533d7390bc2..10f6a6d788e 100644
--- a/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/preferences/ProblemsTreeEditor.java
+++ b/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/preferences/ProblemsTreeEditor.java
@@ -228,6 +228,7 @@ public class ProblemsTreeEditor extends CheckedTreeEditor {
 				getTreeViewer().update(element, null);
 			}
 		});
+		getTreeViewer().setAutoExpandLevel(2);
 		codanPreferencesLoader.setInput(profile);
 		getViewer().setInput(profile);
 	}