diff --git a/platform/platform-impl/src/com/intellij/ide/ui/laf/darcula/ui/DarculaButtonUI.java b/platform/platform-impl/src/com/intellij/ide/ui/laf/darcula/ui/DarculaButtonUI.java
index 92e90e8b1de2..5d368761e013 100644
--- a/platform/platform-impl/src/com/intellij/ide/ui/laf/darcula/ui/DarculaButtonUI.java
+++ b/platform/platform-impl/src/com/intellij/ide/ui/laf/darcula/ui/DarculaButtonUI.java
@@ -94,7 +94,9 @@ public class DarculaButtonUI extends BasicButtonUI {
   public void update(Graphics g, JComponent c) {
     super.update(g, c);
     if (((JButton)c).isDefaultButton() && !SystemInfo.isMac) {
-      c.setFont(c.getFont().deriveFont(Font.BOLD));
+      if (!c.getFont().isBold()) {
+       c.setFont(c.getFont().deriveFont(Font.BOLD));
+      }
     }
   }