diff --git a/platform/lang-impl/src/com/intellij/ide/util/FileStructureDialog.java b/platform/lang-impl/src/com/intellij/ide/util/FileStructureDialog.java
index b30722da209e..be11301b2b6a 100644
--- a/platform/lang-impl/src/com/intellij/ide/util/FileStructureDialog.java
+++ b/platform/lang-impl/src/com/intellij/ide/util/FileStructureDialog.java
@@ -51,6 +51,7 @@ import com.intellij.psi.PsiDocumentManager;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.util.PsiUtilBase;
+import com.intellij.ui.IdeBorderFactory;
 import com.intellij.ui.ListScrollingUtil;
 import com.intellij.ui.SpeedSearchBase;
 import com.intellij.util.ArrayUtil;
@@ -219,6 +220,7 @@ public class FileStructureDialog extends DialogWrapper {
       addFilterCheckbox(panel, filter);
     }
 
+    myCommanderPanel.setBorder(IdeBorderFactory.createSimpleBorder(1, 0, 0, 0));
     panel.add(myCommanderPanel,
               new GridBagConstraints(0, GridBagConstraints.RELATIVE, 1, 1, 1, 1, GridBagConstraints.WEST, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));