diff --git a/include/mbgl/map/map.hpp b/include/mbgl/map/map.hpp
index 8178fab49..c6d5e1475 100644
--- a/include/mbgl/map/map.hpp
+++ b/include/mbgl/map/map.hpp
@@ -36,14 +36,17 @@ enum class AnnotationType : uint8_t {
     Shape = 1 << 1,
 };
 
+struct EdgeInsets {
+    double top = 0;
+    double left = 0;
+    double bottom = 0;
+    double right = 0;
+};
+
 using AnnotationIDs = std::vector<uint32_t>;
 using AnnotationSegment = std::vector<LatLng>;
 using AnnotationSegments = std::vector<AnnotationSegment>;
 
-using EdgeInsets = struct {
-    double top, left, bottom, right;
-};
-
 class Map : private util::noncopyable {
     friend class View;