diff --git a/src/ol/parser/topojson.exports b/src/ol/parser/topojson.exports
new file mode 100644
index 0000000000..68b86dff97
--- /dev/null
+++ b/src/ol/parser/topojson.exports
@@ -0,0 +1,4 @@
+@exportSymbol ol.parser.TopoJSON
+
+@exportProperty ol.parser.TopoJSON.prototype.read
+@exportProperty ol.parser.TopoJSON.read