diff --git a/platform/lang-impl/src/com/intellij/openapi/roots/ui/configuration/ConfigureUnloadedModulesDialog.kt b/platform/lang-impl/src/com/intellij/openapi/roots/ui/configuration/ConfigureUnloadedModulesDialog.kt
index 988053bfa637..221b2cd21c5f 100644
--- a/platform/lang-impl/src/com/intellij/openapi/roots/ui/configuration/ConfigureUnloadedModulesDialog.kt
+++ b/platform/lang-impl/src/com/intellij/openapi/roots/ui/configuration/ConfigureUnloadedModulesDialog.kt
@@ -229,6 +229,7 @@ private class ModuleDescriptionsTree(project: Project) {
   }
 
   fun fillTree(modules: Collection<ModuleDescription>) {
+    removeAllNodes()
     helper.createModuleNodes(modules, root, model)
     tree.expandPath(TreePath(root))
   }