diff --git a/src/mbgl/gl/drawable_gl_builder.cpp b/src/mbgl/gl/drawable_gl_builder.cpp
index 7972a22de..0abe4df7d 100644
--- a/src/mbgl/gl/drawable_gl_builder.cpp
+++ b/src/mbgl/gl/drawable_gl_builder.cpp
@@ -35,7 +35,7 @@ void DrawableGLBuilder::init() {
             colorAttr->reserve(impl->colors.size());
             for (const auto& color : impl->colors) {
                 const auto x = util::convert<float>(color.toArray());
-                colorAttr->set(index, gfx::VertexAttribute::float4{x[0],x[1],x[2],x[3]});
+                colorAttr->set(index, gfx::VertexAttribute::float4{x[0], x[1], x[2], x[3]});
                 colorAttr->set(index++, DrawableGL::colorAttrValue(color));
             }
         }