diff --git a/platform/lang-impl/src/com/intellij/application/options/codeStyle/OptionTableWithPreviewPanel.java b/platform/lang-impl/src/com/intellij/application/options/codeStyle/OptionTableWithPreviewPanel.java
index 599f40555eed..6a72cee36b97 100644
--- a/platform/lang-impl/src/com/intellij/application/options/codeStyle/OptionTableWithPreviewPanel.java
+++ b/platform/lang-impl/src/com/intellij/application/options/codeStyle/OptionTableWithPreviewPanel.java
@@ -946,6 +946,7 @@ public abstract class OptionTableWithPreviewPanel extends CustomizableLanguageCo
     TreeModel treeModel = myTreeTable.getTree().getModel();
     TreeNode root = (TreeNode)treeModel.getRoot();
     resetNode(root, settings);
+    ((DefaultTreeModel)treeModel).nodeChanged(root);
   }
 
   @Override
diff --git a/platform/lang-impl/src/com/intellij/application/options/codeStyle/OptionTreeWithPreviewPanel.java b/platform/lang-impl/src/com/intellij/application/options/codeStyle/OptionTreeWithPreviewPanel.java
index 8b66722c6465..86b6c85db0a4 100644
--- a/platform/lang-impl/src/com/intellij/application/options/codeStyle/OptionTreeWithPreviewPanel.java
+++ b/platform/lang-impl/src/com/intellij/application/options/codeStyle/OptionTreeWithPreviewPanel.java
@@ -282,6 +282,7 @@ public abstract class OptionTreeWithPreviewPanel extends CustomizableLanguageCod
     TreeModel treeModel = myOptionsTree.getModel();
     TreeNode root = (TreeNode)treeModel.getRoot();
     resetNode(root, settings);
+    ((DefaultTreeModel)treeModel).nodeChanged(root);
   }
 
   private void resetNode(TreeNode node, final CodeStyleSettings settings) {