diff --git a/src/navigator.js b/src/navigator.js
index 8d1aac2a..9d2cf6b7 100644
--- a/src/navigator.js
+++ b/src/navigator.js
@@ -324,6 +324,7 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
         this.width = width;
         this.element.style.width = typeof (width) === "number" ? (width + 'px') : width;
         this._resizeWithViewer = false;
+        this.updateSize();
     },
 
     /**
@@ -334,6 +335,7 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
         this.height = height;
         this.element.style.height = typeof (height) === "number" ? (height + 'px') : height;
         this._resizeWithViewer = false;
+        this.updateSize();
     },
 
     /**