diff --git a/src/nostalgia/studio/projectexplorer.cpp b/src/nostalgia/studio/projectexplorer.cpp
index 0c9dca047..3e2b68ba4 100644
--- a/src/nostalgia/studio/projectexplorer.cpp
+++ b/src/nostalgia/studio/projectexplorer.cpp
@@ -47,7 +47,7 @@ void ProjectExplorer::draw(core::Context *ctx) noexcept {
 	                 | ImGuiWindowFlags_NoScrollbar
 	                 | ImGuiWindowFlags_NoSavedSettings;
 	ImGui::Begin("ProjectExplorer", nullptr, flags);
-	ImGui::SetNextTreeNodeOpen(true);
+	ImGui::SetNextItemOpen(true);
 	if (m_treeModel) {
 		m_treeModel->draw(ctx);
 	}