diff --git a/platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeBackgroundUtil.java b/platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeBackgroundUtil.java
index 1f2a1a491dcc..39c2f0f94d5b 100644
--- a/platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeBackgroundUtil.java
+++ b/platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeBackgroundUtil.java
@@ -232,7 +232,8 @@ public final class IdeBackgroundUtil {
     }
   }
 
-  static final RenderingHints.Key ADJUST_ALPHA = new RenderingHints.Key(1) {
+  @ApiStatus.Internal
+  public static final RenderingHints.Key ADJUST_ALPHA = new RenderingHints.Key(1) {
     @Override
     public boolean isCompatibleValue(Object val) {
       return val instanceof Boolean;