diff --git a/samples/gltf_viewer.cpp b/samples/gltf_viewer.cpp
index 77aee4743f5..47d6055dd3a 100644
--- a/samples/gltf_viewer.cpp
+++ b/samples/gltf_viewer.cpp
@@ -1043,6 +1043,8 @@ int main(int argc, char** argv) {
         delete app.resourceLoader;
         delete app.stbDecoder;
         delete app.ktxDecoder;
+        delete app.automationSpec;
+        delete app.automationEngine;
 
         AssetLoader::destroy(&app.assetLoader);
     };