1 files changed, 7 insertions, 0 deletions
diff --git a/intern/cycles/session/session.cpp b/intern/cycles/session/session.cpp
index a2955da5480..a0eb3196a34 100644
--- a/intern/cycles/session/session.cpp
+++ b/intern/cycles/session/session.cpp
@@ -318,6 +318,13 @@ RenderWork Session::run_update_for_next_iteration()
     path_trace_->set_adaptive_sampling(adaptive_sampling);
   }
 
+  /* Update path guiding. */
+  {
+    const GuidingParams guiding_params = scene->integrator->get_guiding_params(device);
+    const bool guiding_reset = (guiding_params.use) ? scene->need_reset(false) : false;
+    path_trace_->set_guiding_params(guiding_params, guiding_reset);
+  }
+
   render_scheduler_.set_num_samples(params.samples);
   render_scheduler_.set_start_sample(params.sample_offset);
   render_scheduler_.set_time_limit(params.time_limit);