diff --git a/cpp/tiledmap.cc b/cpp/tiledmap.cc
index e27a591..9e2decd 100644
--- a/cpp/tiledmap.cc
+++ b/cpp/tiledmap.cc
@@ -103,24 +103,24 @@ std::list<TiledObject>* TiledMap::GetObjectGroup(const std::string& object_class
 
 void TiledMap::Dump()
 {
-    a8::XPrintf("tile_count:%d\n", {tile_count});
-	a8::XPrintf("tile_width:%d\n", { tile_width });
-	a8::XPrintf("tile_height:%d\n", { tile_height });
-    a8::XPrintf("layer_hash.size:%d\n", {layer_hash.size()});
+    a8::XPrintf("map$tile_count:%d\n", {tile_count});
+	a8::XPrintf("map$tile_width:%d\n", { tile_width });
+	a8::XPrintf("map$tile_height:%d\n", { tile_height });
+    a8::XPrintf("layer$layer_hash.size:%d\n", {layer_hash.size()});
     for (auto& pair : layer_hash) {
-        a8::XPrintf("  layer_type:%s\n", {pair.first});
+        a8::XPrintf("  layer$layer_type:%s\n", {pair.first});
         for (auto& layer : pair.second) {
             for (auto& pair2 : layer.prop_hash) {
-                a8::XPrintf("  %s:%s\n", {pair2.first, pair2.second});
+                a8::XPrintf("  layer$%s:%s\n", {pair2.first, pair2.second});
             }
         }
     }
-    a8::XPrintf("object_group_hash.size:%d\n", {object_group_hash.size()});
+    a8::XPrintf("object$object_group_hash.size:%d\n", {object_group_hash.size()});
     for (auto& pair : object_group_hash) {
-        a8::XPrintf("  layer_type:%s\n", {pair.first});
+        a8::XPrintf("  object$layer_type:%s\n", {pair.first});
         for (auto& layer : pair.second) {
             for (auto& pair2 : layer.prop_hash) {
-                a8::XPrintf("  %s:%s\n", {pair2.first, pair2.second});
+                a8::XPrintf("  object$%s:%s\n", {pair2.first, pair2.second});
             }
         }
     }