diff --git a/frontend/src/app/render_wasm.cljs b/frontend/src/app/render_wasm.cljs
index 3482e3f42..7b69c9d40 100644
--- a/frontend/src/app/render_wasm.cljs
+++ b/frontend/src/app/render_wasm.cljs
@@ -102,8 +102,9 @@
                         :saturation 26
                         :color 27
                         :luminosity 28
-                        3)]
-    (._set_shape_blend_mode ^js internal-module encoded-blend)))
+                        3)
+        set-shape-blend-mode (unchecked-get internal-module "_set_shape_blend_mode")]
+    (^function set-shape-blend-mode encoded-blend)))
 
 (defn set-objects
   [objects]
diff --git a/render-wasm/src/render.rs b/render-wasm/src/render.rs
index 80469da32..531cbfad8 100644
--- a/render-wasm/src/render.rs
+++ b/render-wasm/src/render.rs
@@ -92,7 +92,11 @@ impl RenderState {
     pub fn reset_canvas(&mut self) {
         self.drawing_surface
             .canvas()
-            .clear(skia_safe::Color::TRANSPARENT);
-        self.drawing_surface.canvas().reset_matrix();
+            .clear(skia_safe::Color::TRANSPARENT)
+            .reset_matrix();
+        self.final_surface
+            .canvas()
+            .clear(skia_safe::Color::TRANSPARENT)
+            .reset_matrix();
     }
 }