diff --git a/platform/lang-impl/src/com/intellij/workspaceModel/ide/impl/legacyBridge/project/ProjectRootManagerBridge.kt b/platform/lang-impl/src/com/intellij/workspaceModel/ide/impl/legacyBridge/project/ProjectRootManagerBridge.kt
index bb8bd460c417..0611140665c5 100644
--- a/platform/lang-impl/src/com/intellij/workspaceModel/ide/impl/legacyBridge/project/ProjectRootManagerBridge.kt
+++ b/platform/lang-impl/src/com/intellij/workspaceModel/ide/impl/legacyBridge/project/ProjectRootManagerBridge.kt
@@ -135,7 +135,9 @@ class ProjectRootManagerBridge(project: Project) : ProjectRootManagerComponent(p
   }
 
   private fun fireRootsChanged() {
-    makeRootsChange(EmptyRunnable.INSTANCE, false, true)
+    if (myProject.isOpen) {
+      makeRootsChange(EmptyRunnable.INSTANCE, false, true)
+    }
   }
 
   // Listener for global libraries linked to module