diff --git a/src/ol/parser/ogc/filterparser_v1.js b/src/ol/parser/ogc/filterparser_v1.js
index 6f44d61074..3d3ff44d55 100644
--- a/src/ol/parser/ogc/filterparser_v1.js
+++ b/src/ol/parser/ogc/filterparser_v1.js
@@ -648,6 +648,7 @@ ol.parser.ogc.Filter_v1.prototype.setFeatureType = function(featureType) {
 ol.parser.ogc.Filter_v1.prototype.setSrsName = function(srsName) {
   this.srsName = srsName;
   if (goog.isDefAndNotNull(this.gmlParser_)) {
-    this.gmlParser_.applyWriteOptions({}, {srsName: srsName});
+    this.gmlParser_.applyWriteOptions({},
+        /** @type {ol.parser.GMLWriteOptions} */ ({srsName: srsName}));
   }
 };