diff --git a/etemplate/js/et2_widget_split.js b/etemplate/js/et2_widget_split.js
index d0db876205..031673085c 100644
--- a/etemplate/js/et2_widget_split.js
+++ b/etemplate/js/et2_widget_split.js
@@ -234,7 +234,7 @@ var et2_split = et2_DOMWidget.extend([et2_IResizeable,et2_IPrint],
 			}
 			// If there is no preference yet, set it to half size
 			// Otherwise the right pane gets the fullsize
-			else
+			if (typeof this.prefSize == 'undefined' || !this.prefSize)
 			{
 				this.prefSize = this.orientation == "v" ? options.sizeLeft: options.sizeTop;
 			}