1 files changed, 3 insertions, 0 deletions
diff --git a/intern/cycles/kernel/integrator/shade_background.h b/intern/cycles/kernel/integrator/shade_background.h
index 30ce0999258..8fc5689683a 100644
--- a/intern/cycles/kernel/integrator/shade_background.h
+++ b/intern/cycles/kernel/integrator/shade_background.h
@@ -5,6 +5,7 @@
 
 #include "kernel/film/light_passes.h"
 
+#include "kernel/integrator/guiding.h"
 #include "kernel/integrator/surface_shader.h"
 
 #include "kernel/light/light.h"
@@ -124,6 +125,7 @@ ccl_device_inline void integrate_background(KernelGlobals kg,
       mis_weight = light_sample_mis_weight_forward(kg, mis_ray_pdf, pdf);
     }
 
+    guiding_record_background(kg, state, L, mis_weight);
     L *= mis_weight;
   }
 
@@ -185,6 +187,7 @@ ccl_device_inline void integrate_distant_lights(KernelGlobals kg,
       }
 
       /* Write to render buffer. */
+      guiding_record_background(kg, state, light_eval, mis_weight);
       film_write_surface_emission(
           kg, state, light_eval, mis_weight, render_buffer, kernel_data.background.lightgroup);
     }