diff --git a/externs/olx.js b/externs/olx.js
index 01445f7d27..5a0a336165 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -5558,14 +5558,17 @@ olx.source.ImageWMSOptions.prototype.url;
 
 
 /**
- * @typedef {{cacheSize: (number|undefined),
+ * @typedef {{
+ *     cacheSize: (number|undefined),
  *     layer: string,
  *     minZoom: (number|undefined),
  *     maxZoom: (number|undefined),
  *     opaque: (boolean|undefined),
  *     reprojectionErrorThreshold: (number|undefined),
  *     tileLoadFunction: (ol.TileLoadFunctionType|undefined),
- *     url: (string|undefined)}}
+ *     url: (string|undefined),
+ *     wrapX: (boolean|undefined)
+ * }}
  */
 olx.source.StamenOptions;
 
@@ -5639,6 +5642,14 @@ olx.source.StamenOptions.prototype.tileLoadFunction;
 olx.source.StamenOptions.prototype.url;
 
 
+/**
+ * Whether to wrap the world horizontally. Default is `true`.
+ * @type {boolean|undefined}
+ * @api
+ */
+olx.source.StamenOptions.prototype.wrapX;
+
+
 /**
  * @typedef {{attributions: (ol.AttributionLike|undefined),
  *     crossOrigin: (null|string|undefined),
diff --git a/src/ol/source/stamen.js b/src/ol/source/stamen.js
index 4c94534450..454580a5f8 100644
--- a/src/ol/source/stamen.js
+++ b/src/ol/source/stamen.js
@@ -35,7 +35,8 @@ ol.source.Stamen = function(options) {
     opaque: layerConfig.opaque,
     reprojectionErrorThreshold: options.reprojectionErrorThreshold,
     tileLoadFunction: options.tileLoadFunction,
-    url: url
+    url: url,
+    wrapX: options.wrapX
   });
 };
 ol.inherits(ol.source.Stamen, ol.source.XYZ);