diff --git a/src/mbgl/renderer/painter_fill.cpp b/src/mbgl/renderer/painter_fill.cpp
index 356ccfc0b20..f4e73f94ac6 100644
--- a/src/mbgl/renderer/painter_fill.cpp
+++ b/src/mbgl/renderer/painter_fill.cpp
@@ -85,7 +85,6 @@ void Painter::renderFill(PaintParameters& parameters,
     } else {
         auto draw = [&] (uint8_t sublayer,
                          auto& program,
-                         Color outlineColor,
                          const auto& drawMode,
                          const auto& vertexBuffer,
                          const auto& indexBuffer,
@@ -102,7 +101,7 @@ void Painter::renderFill(PaintParameters& parameters,
                                                state) },
                     uniforms::u_opacity::Value{ properties.get<FillOpacity>() },
                     uniforms::u_color::Value{ properties.get<FillColor>() },
-                    uniforms::u_outline_color::Value{ outlineColor },
+                    uniforms::u_outline_color::Value{ properties.get<FillOutlineColor>() },
                     uniforms::u_world::Value{ context.viewport.getCurrentValue().size },
                 },
                 vertexBuffer,
@@ -114,7 +113,6 @@ void Painter::renderFill(PaintParameters& parameters,
         if (properties.get<FillAntialias>() && !layer.impl->paint.unevaluated.get<FillOutlineColor>().isUndefined() && pass == RenderPass::Translucent) {
             draw(2,
                  parameters.programs.fillOutline,
-                 properties.get<FillOutlineColor>(),
                  gl::Lines { 2.0f },
                  *bucket.vertexBuffer,
                  *bucket.lineIndexBuffer,
@@ -126,7 +124,6 @@ void Painter::renderFill(PaintParameters& parameters,
         if ((properties.get<FillColor>().a >= 1.0f && properties.get<FillOpacity>() >= 1.0f) == (pass == RenderPass::Opaque)) {
             draw(1,
                  parameters.programs.fill,
-                 properties.get<FillOutlineColor>(),
                  gl::Triangles(),
                  *bucket.vertexBuffer,
                  *bucket.triangleIndexBuffer,
@@ -136,7 +133,6 @@ void Painter::renderFill(PaintParameters& parameters,
         if (properties.get<FillAntialias>() && layer.impl->paint.unevaluated.get<FillOutlineColor>().isUndefined() && pass == RenderPass::Translucent) {
             draw(2,
                  parameters.programs.fillOutline,
-                 properties.get<FillColor>(),
                  gl::Lines { 2.0f },
                  *bucket.vertexBuffer,
                  *bucket.lineIndexBuffer,
diff --git a/src/mbgl/style/layers/fill_layer_impl.cpp b/src/mbgl/style/layers/fill_layer_impl.cpp
index 51636820f02..1ff26aa003c 100644
--- a/src/mbgl/style/layers/fill_layer_impl.cpp
+++ b/src/mbgl/style/layers/fill_layer_impl.cpp
@@ -15,6 +15,10 @@ void FillLayer::Impl::cascade(const CascadeParameters& parameters) {
 bool FillLayer::Impl::evaluate(const PropertyEvaluationParameters& parameters) {
     paint.evaluate(parameters);
 
+    if (paint.unevaluated.get<FillOutlineColor>().isUndefined()) {
+        paint.evaluated.get<FillOutlineColor>() = paint.evaluated.get<FillColor>();
+    }
+
     passes = RenderPass::None;
 
     if (paint.evaluated.get<FillAntialias>()) {