diff --git a/sway/desktop/render.c b/sway/desktop/render.c
index 43abc81c..fba13b37 100644
--- a/sway/desktop/render.c
+++ b/sway/desktop/render.c
@@ -452,7 +452,7 @@ static void render_surface_iterator(struct sway_output *output,
 			wlr_box_transform(&monitor_box, &monitor_box,
 					wlr_output_transform_invert(wlr_output->transform), monitor_box.width, monitor_box.height);
 			struct blur_stencil_data stencil_data = { &fx_texture, &src_box, matrix };
-			bool should_optimize_blur = view ? !container_is_floating(view->container) || config->blur_xray : false;
+			bool should_optimize_blur = view ? !container_is_floating_or_child(view->container) || config->blur_xray : false;
 			render_blur(should_optimize_blur, output, output_damage, &dst_box,
 					&opaque_region, &deco_data, &stencil_data);
 		}
@@ -832,7 +832,7 @@ static void render_saved_view(struct sway_view *view, struct sway_output *output
 				wlr_box_transform(&monitor_box, &monitor_box,
 						wlr_output_transform_invert(wlr_output->transform), monitor_box.width, monitor_box.height);
 				struct blur_stencil_data stencil_data = { &fx_texture, &saved_buf->source_box, matrix };
-				bool should_optimize_blur = !container_is_floating(view->container) || config->blur_xray;
+				bool should_optimize_blur = !container_is_floating_or_child(view->container) || config->blur_xray;
 				render_blur(should_optimize_blur, output, damage, &dst_box, &opaque_region,
 						&deco_data, &stencil_data);