diff --git a/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationComponent.java b/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationComponent.java
index eaf66b3b3538..3cde92b7c98c 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationComponent.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationComponent.java
@@ -844,6 +844,9 @@ public class DocumentationComponent extends JPanel implements Disposable, DataPr
     PopupPositionManager.positionPopupInBestPosition(myHint, myManager.getEditor(), dataContext,
                                                      PopupPositionManager.Position.RIGHT, PopupPositionManager.Position.LEFT);
 
+    Window window = myHint.getPopupWindow();
+    if (window != null) window.setFocusableWindowState(true);
+
     if (myHint.getDimensionServiceKey() == null) {
       registerSizeTracker();
     }