diff --git a/etemplate/js/et2_widget_split.js b/etemplate/js/et2_widget_split.js
index f05b536a44..b043b03c9d 100644
--- a/etemplate/js/et2_widget_split.js
+++ b/etemplate/js/et2_widget_split.js
@@ -297,7 +297,10 @@ var et2_split = et2_DOMWidget.extend([et2_IResizeable,et2_IPrint],
 					var size = self.orientation == "v" ? {sizeLeft: self.left.width()} : {sizeTop: self.left.height()};
 					self.prefSize = size[self.orientation == "v" ?'sizeLeft' : 'sizeTop'];
 					var prefInPercent = self.orientation == "v" ?{sizeLeft:pix2per(size.sizeLeft)}:{sizeTop:pix2per(size.sizeTop)};
-					self.egw().set_preference(self.egw().getAppName(), 'splitter-size-' + self.id, prefInPercent);
+					if(parseInt(self.orientation == 'v' ? prefInPercent.sizeLeft : prefInPercent.sizeTop) < 100)
+					{
+						self.egw().set_preference(self.egw().getAppName(), 'splitter-size-' + self.id, prefInPercent);
+					}
 				}
 
 				// Ok, update children