diff --git a/frontend/src/app/render_wasm/api.cljs b/frontend/src/app/render_wasm/api.cljs
index 1cc55da7ad..9ed04e556e 100644
--- a/frontend/src/app/render_wasm/api.cljs
+++ b/frontend/src/app/render_wasm/api.cljs
@@ -297,8 +297,12 @@
                   (store-image id)))
 
               (some? color)
-              (let [rgba (sr-clr/hex->u32argb color opacity)]
-                (h/call wasm/internal-module "_add_shape_stroke_solid_fill" rgba)))))
+              (let [size   sr-fills/SOLID-BYTE-SIZE
+                    offset (mem/alloc-bytes size)
+                    heap   (mem/get-heap-u32)
+                    argb (sr-clr/hex->u32argb color opacity)]
+                (sr-fills/write-solid-fill! offset heap argb)
+                (h/call wasm/internal-module "_add_shape_stroke_solid_fill")))))
         strokes))
 
 (defn set-shape-path-attrs
diff --git a/render-wasm/src/wasm/strokes.rs b/render-wasm/src/wasm/strokes.rs
index 2912b9a37e..ef4a1f61d8 100644
--- a/render-wasm/src/wasm/strokes.rs
+++ b/render-wasm/src/wasm/strokes.rs
@@ -34,11 +34,13 @@ pub extern "C" fn add_shape_outer_stroke(width: f32, style: u8, cap_start: u8, c
 }
 
 #[no_mangle]
-pub extern "C" fn add_shape_stroke_solid_fill(raw_color: u32) {
+pub extern "C" fn add_shape_stroke_solid_fill() {
     with_current_shape!(state, |shape: &mut Shape| {
-        let color = skia::Color::new(raw_color);
+        let bytes = mem::bytes();
+        let solid_color =
+            shapes::SolidColor::try_from(&bytes[..]).expect("Invalid solid color data");
         shape
-            .set_stroke_fill(shapes::Fill::Solid(shapes::SolidColor(color)))
+            .set_stroke_fill(shapes::Fill::Solid(solid_color))
             .expect("could not add stroke solid fill");
     });
 }