diff --git a/java/java-impl/src/com/intellij/ide/projectView/impl/PackageViewPane.java b/java/java-impl/src/com/intellij/ide/projectView/impl/PackageViewPane.java
index 447a21ae49cb..1a0e2c16bda5 100644
--- a/java/java-impl/src/com/intellij/ide/projectView/impl/PackageViewPane.java
+++ b/java/java-impl/src/com/intellij/ide/projectView/impl/PackageViewPane.java
@@ -227,7 +227,7 @@ public final class PackageViewPane extends AbstractProjectViewPSIPane {
 
       @Override
       public boolean isToBuildChildrenInBackground(Object element) {
-        return true;
+        return Registry.is("ide.projectView.PackageViewTreeStructure.BuildChildrenInBackground");
       }
     };
   }
diff --git a/platform/util/resources/misc/registry.properties b/platform/util/resources/misc/registry.properties
index b4278746ce5f..29f300b3f0de 100644
--- a/platform/util/resources/misc/registry.properties
+++ b/platform/util/resources/misc/registry.properties
@@ -1067,6 +1067,8 @@ ide.projectView.ProjectViewPaneTreeStructure.BuildChildrenInBackground=true
 ide.projectView.ProjectViewPaneTreeStructure.BuildChildrenInBackground.description=Temporary ability to control a tree building for the Project View pane
 ide.abstractTreeUi.BuildChildrenInBackgroundYieldingToWriteAction=true
 ide.abstractTreeUi.BuildChildrenInBackgroundYieldingToWriteAction.description=Temporary ability to control a interruptible tree building
+ide.projectView.PackageViewTreeStructure.BuildChildrenInBackground=true
+ide.projectView.PackageViewTreeStructure.BuildChildrenInBackground.description=Temporary ability to control a tree building for the Package View pane
 
 ide.projectView.show.visibility=false
 ide.projectView.show.visibility.description=Shows visibility icon in Project View nodes