diff --git a/samples/gltf_viewer.cpp b/samples/gltf_viewer.cpp
index b811549f7f..247ec9b3c6 100644
--- a/samples/gltf_viewer.cpp
+++ b/samples/gltf_viewer.cpp
@@ -207,7 +207,10 @@ int main(int argc, char** argv) {
         // Add the renderables to the scene.
         app.viewer->setAsset(app.asset, app.names, !app.actualSize);
 
-        app.viewer->setIndirectLight(FilamentApp::get().getIBL()->getIndirectLight());
+        auto ibl = FilamentApp::get().getIBL();
+        if (ibl) {
+            app.viewer->setIndirectLight(ibl->getIndirectLight());
+        }
     };
 
     auto setup = [&](Engine* engine, View* view, Scene* scene) {