diff --git a/src/core/TiledRenderer.cpp b/src/core/TiledRenderer.cpp
index f46d68c..45af66d 100644
--- a/src/core/TiledRenderer.cpp
+++ b/src/core/TiledRenderer.cpp
@@ -359,6 +359,7 @@ namespace GLSLPT
             glViewport(0, 0, windowSize.x * pixelRatio, windowSize.y * pixelRatio);
             quad->Draw(pathTraceShaderLowRes);
             scene->instancesModified = false;
+            scene->dirty = false;
         }
         else
         {