diff --git a/src/hello_imgui/internal/backend_impls/runner_factory.cpp b/src/hello_imgui/internal/backend_impls/runner_factory.cpp
index e6625416..b80c52fa 100644
--- a/src/hello_imgui/internal/backend_impls/runner_factory.cpp
+++ b/src/hello_imgui/internal/backend_impls/runner_factory.cpp
@@ -73,7 +73,11 @@ std::unique_ptr<AbstractRunner> FactorRunner(RunnerParams& params)
     }
     else if (params.platformBackendType == PlatformBackendType::Null)
     {
-        return std::make_unique<RunnerNull>(params);
+        #ifdef HELLOIMGUI_USE_NULL
+            return std::make_unique<RunnerNull>(params);
+        #else
+            return nullptr;
+        #endif
     }
     else
         return nullptr;