diff --git a/leaflet.rrose-src.js b/leaflet.rrose-src.js
index 0550f26..2a2d513 100644
--- a/leaflet.rrose-src.js
+++ b/leaflet.rrose-src.js
@@ -23,21 +23,33 @@ L.Rrose = L.Popup.extend({
       closeButton, wrapper;
 
     // Set the pixel distances from the map edges at which popups are too close and need to be re-oriented.
-    var x_bound = 80, y_bound = 80;
+    var xBound, yBound;
+    if (this.options.xBound) {
+      xBound = this.options.xBound;
+    }
+    else {
+      xBound = 80;
+    }
+    if (this.options.yBound) {
+      yBound = this.options.yBound;
+    }
+    else {
+      yBound = 80;
+    }
     // Determine the alternate direction to pop up; north mimics Leaflet's default behavior, so we initialize to that.
     this.options.position = 'n';
     // Then see if the point is too far north...
-    var y_diff = y_bound - this._map.latLngToContainerPoint(this._latlng).y;
+    var y_diff = yBound - this._map.latLngToContainerPoint(this._latlng).y;
     if (y_diff > 0) {
       this.options.position = 's'
     }
     // or too far east...
-    var x_diff = this._map.latLngToContainerPoint(this._latlng).x - (this._map.getSize().x - x_bound);
+    var x_diff = this._map.latLngToContainerPoint(this._latlng).x - (this._map.getSize().x - xBound);
     if (x_diff > 0) {
       this.options.position += 'w'
     } else {
     // or too far west.
-      x_diff = x_bound - this._map.latLngToContainerPoint(this._latlng).x;
+      x_diff = xBound - this._map.latLngToContainerPoint(this._latlng).x;
       if (x_diff > 0) {
         this.options.position += 'e'
       }