diff --git a/src/openseadragon.js b/src/openseadragon.js
index cacd19b4..a16b33d4 100644
--- a/src/openseadragon.js
+++ b/src/openseadragon.js
@@ -489,7 +489,7 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
             xmlPath:                null,
             tileSources:            null,
             tileHost:               null,
-            initialPage             0,
+            initialPage:             0,
             //PAN AND ZOOM SETTINGS AND CONSTRAINTS
             panHorizontal:          true,
             panVertical:            true,